Blocksmith Worksfor Hat Makers

A place to try something new

Early Preview
Help us test.

New tools earn their place at the bench through real use. Try a hat topper, tell us what worked, and help us improve the next version.

Free files · Original makers credited

Hat toppers at the test bench

Relief-forming tools and positive/negative sets for shaping a design into the top of a hat. Each package has its own version, instructions, and license.

Views rendered from the actual uploaded positive Scorpion and supplied negative, showing their forming faces, bases, sockets and underside branding.Actual model preview
NOT YET TESTEDv2 · 13 Oct 2026

Scorpion hat form set

The updated tall positive Scorpion and supplied negative, with BlocksmithWorks.com branding underneath. The positive includes two underside sockets. Matched fit remains unverified.

Original design by hahmey
Blocksmith Works remix

Overall size
Positive: 46.37 × 62.77 × 75.17 mm; negative: 46.50 × 62.50 × 31.55 mm
Files
Two STLs + model-only 3MF · millimeters
Digital checks
Package integrity, millimeter units and STL/3MF geometry correspondence checked. Mesh warnings found: degenerate facets and winding/component irregularities. Slicer review and repair needed before printing.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

The supplied 3MF contains geometry only. Select your actual printer, nozzle, material and process settings. Review and repair mesh warnings, then check the complete sliced preview before printing at 100% scale. Matched forming fit is unverified.

Download test packageZIP · Two STLs + model-only 3MF · millimeters · 8.3 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Replaces the smaller v1 topper with the supplied taller positive/negative set and updated underside branding. The original remix isolated the pendant relief, removed the rim and loop, trimmed claw attachments and filled the underside. The three uploaded print files are retained unchanged; mesh warnings are disclosed in the instructions.

CC BY-SA 4.0. Retain credit and identify changes. Share further adaptations under the same license. No endorsement by the original creator is implied.

SHA-256eddbc055c6cbea5095ff71387fcd02b32732187a82c0a2dc9cffec4c2e1a81e4

Views rendered from the actual revision v3 meshes: longer horizontal Cross, smooth wider oval bases, rounded upper outer negative rim, and two positive underside sockets.Actual model preview
NOT YET TESTEDv3 · 15 Oct 2026

Cross hat form set

A 2½-inch-high positive Cross base with 10 mm relief and matching negative for nominal 3.5 mm felt. This revision lengthens the horizontal crossbar by ¼ inch total on both forms and adds a 2 mm radius to the negative’s outer felt-contact edge. Both retain recessed BlocksmithWorks.com markings; the positive retains its two round sockets.

Original design by PhDGoSlowAncient
Blocksmith Works remix

Overall size
Positive: 56.78 × 100.54 × 73.50 mm; negative: 80.77 × 124.48 × 26.20 mm
Files
Two STLs + reinforced Bambu Studio 3MF · millimeters
Digital checks
Two serialized closed, consistently wound, connected positive-volume solids with no degenerate triangles. STL/3MF geometry and millimeter units match; cavity profile/depth and outer-radius separation checked. Both fit the supplied 256 mm plate. Revised v3 has no installed-slicer or physical test.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

The 3MF uses the supplied Bambu P1S / 0.4 mm nozzle template: 5 walls and 15% gyroid infill on BOTH pieces. Select your actual printer, nozzle and filament, then review the slice preview. Socket diameter is nominal, with no extra dowel clearance; test fit before use.

Download test packageZIP · Two STLs + reinforced Bambu Studio 3MF · millimeters · 1.4 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Adds 6.35 mm total to the shorter horizontal crossbar (3.175 mm at each end) on both forms. Both oval bases widen smoothly by 6.35 mm to support the longer crossbar. The negative upper outer edge has a 2 mm radius; its inner forming cavity retains the nominal 3.5 mm XY felt allowance and original depth. Longitudinal dimensions, relief height, recessed markings and two 19.05 mm curved-roof positive sockets remain. Karl Gansen supplied physical feedback on the previous set; this revision has not yet been physically tested.

CC BY 4.0. Retain credit, source and license links, and identify modifications. No endorsement by the original creator is implied.

SHA-2569a675f6c55e64f1b30a0ac0666889faa25a5ccdc9c95d2965a68f8a3708e335a

Views rendered from the actual prepared positive Skull form and supplied negative.Actual model preview
NOT YET TESTEDv1 · 13 Oct 2026

Skull hat form set

A positive Skull form with a nominal 2½-inch base and rounded eye treatment, plus its supplied negative. Both retain BlocksmithWorks.com underneath; the positive retains its two round sockets. Fit, felt allowance and physical use have not yet been established.

Original design by 3Demon
Blocksmith Works remix

Overall size
Positive: 109.64 × 130.79 × 109.21 mm; negative: 109.64 × 130.79 × 71.64 mm
Files
Two STLs + reinforced Bambu Studio 3MF · millimeters
Digital checks
Two closed, consistently wound, connected positive-volume solids after small mesh cleanup. Serialized STL/3MF geometry match at full scale in millimeters. Digital checks only; anatomical accuracy and matched fit are unverified.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

The 3MF has 5 walls and 15% gyroid infill throughout BOTH objects, including the skull areas and bases. Bambu P1S / 0.4 mm nozzle template; automatic tree supports enabled as a starting point. Select your actual printer and filament, then check supports and the complete sliced preview.

Download test packageZIP · Two STLs + reinforced Bambu Studio 3MF · millimeters · 25.9 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Adapted from 3Demon’s Anatomically Correct Human Skull. The supplied hatmaking set adds a base, rounded eye treatment and a negative. This release separates and centers the two forms, cleans tiny mesh junctions with a 0.002 mm tolerance, and adds reinforced Bambu Studio settings. No intentional shaping redesign.

CC BY-SA 4.0. Retain creator credit and source/license links, identify changes, and share adaptations under the same license. No endorsement by the original creator is implied.

SHA-256d30faa6698adbd852f22956408200e68e85eacabe6b22d01824ecee7dc603c88

Actual v2 positive contour base and unchanged negative for Longhorn silhouette form set, digitally checked and physically untested.Actual model preview
NOT YET TESTEDv2 · 15 Oct 2026

Longhorn silhouette form set

A longhorn silhouette following the supplied horn sweep, 3 inches (76.2 mm) tip to tip, supported on a taller handling base. Revision v2 replaces the rectangular positive base with a close-fitting contour and rounded upper edge.

Tooling model by Rich and Codex · Blocksmith Works
From a user-supplied reference

Overall size
Positive: 88.20 × 50.60 × 69.50 mm; negative: 92.20 × 54.60 × 22.20 mm
Files
Two STLs + reinforced Bambu Studio 3MF · millimeters
Digital checks
Serialized watertight, consistently wound single solids with positive volumes and no zero-area triangles. Contour margin, rounded-edge separation, preserved relief/negative, STL/3MF match, hashes, settings and plate fit checked.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

P1S / 0.4 mm template: 5 walls and 15% gyroid on BOTH objects. Select your actual printer, nozzle and filament; inspect the complete slice. Turn the negative over about its front/back (Y) axis. Start with scrap felt; narrow details, release and heat/steam behavior remain physically untested.

Download test packageZIP · Two STLs + reinforced Bambu Studio 3MF · millimeters · 2.6 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Positive base follows the outer design with a nominal 0.060 inch (1.524 mm) contour margin and 0.75 mm rounded upper edge. Relief and negative geometry are retained from v1. A lower flared section preserves the existing roofed finger socket with supporting wall thickness; the upper contact shoulder remains tight. Underside website lettering is repositioned within the new contour. The 3-inch raised design width and Texas-star 0.080-inch field drop remain. Historical v1 packages remain available.

CC BY 4.0 — original tooling geometry. Applies to original tooling geometry only. Reference artwork and marks remain with their rights holders; no affiliation or endorsement is implied. No endorsement by the original creator is implied.

SHA-25675dde846d217dda999c61e0ea13a603777d3789cd026d26689fe500d308721c8

Actual v2 positive contour base and unchanged negative for Texas solid form set, digitally checked and physically untested.Actual model preview
NOT YET TESTEDv2 · 15 Oct 2026

Texas solid form set

A solid Texas silhouette raised above its handling base, 3 inches (76.2 mm) across the design’s widest point. Revision v2 replaces the rectangular positive base with a close-fitting contour and rounded upper edge.

Tooling model by Rich and Codex · Blocksmith Works
From a user-supplied reference

Overall size
Positive: 79.25 × 76.92 × 69.50 mm; negative: 99.20 × 96.88 × 22.20 mm
Files
Two STLs + reinforced Bambu Studio 3MF · millimeters
Digital checks
Serialized watertight, consistently wound single solids with positive volumes and no zero-area triangles. Contour margin, rounded-edge separation, preserved relief/negative, STL/3MF match, hashes, settings and plate fit checked.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

P1S / 0.4 mm template: 5 walls and 15% gyroid on BOTH objects. Select your actual printer, nozzle and filament; inspect the complete slice. Turn the negative over about its front/back (Y) axis. Start with scrap felt; narrow details, release and heat/steam behavior remain physically untested.

Download test packageZIP · Two STLs + reinforced Bambu Studio 3MF · millimeters · 0.9 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Positive base follows the outer design with a nominal 0.060 inch (1.524 mm) contour margin and 0.75 mm rounded upper edge. Relief and negative geometry are retained from v1. The existing roofed finger socket is retained. Underside website lettering is repositioned within the new contour. The 3-inch raised design width and Texas-star 0.080-inch field drop remain. Historical v1 packages remain available.

CC BY 4.0 — original tooling geometry. Applies to original tooling geometry only. Reference artwork and marks remain with their rights holders; no affiliation or endorsement is implied. No endorsement by the original creator is implied.

SHA-256dafe32b50469ed77fa466168916b65cdbe3919d03e496db90e10dfafb90a6d4a

Actual v2 positive contour base and unchanged negative for Texas outline form set, digitally checked and physically untested.Actual model preview
NOT YET TESTEDv2 · 15 Oct 2026

Texas outline form set

A raised Texas border around a lower interior, 3 inches (76.2 mm) across the design’s widest point. Revision v2 replaces the rectangular positive base with a close-fitting contour and rounded upper edge.

Tooling model by Rich and Codex · Blocksmith Works
From a user-supplied reference

Overall size
Positive: 79.25 × 76.92 × 69.50 mm; negative: 99.20 × 96.88 × 22.20 mm
Files
Two STLs + reinforced Bambu Studio 3MF · millimeters
Digital checks
Serialized watertight, consistently wound single solids with positive volumes and no zero-area triangles. Contour margin, rounded-edge separation, preserved relief/negative, STL/3MF match, hashes, settings and plate fit checked.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

P1S / 0.4 mm template: 5 walls and 15% gyroid on BOTH objects. Select your actual printer, nozzle and filament; inspect the complete slice. Turn the negative over about its front/back (Y) axis. Start with scrap felt; narrow details, release and heat/steam behavior remain physically untested.

Download test packageZIP · Two STLs + reinforced Bambu Studio 3MF · millimeters · 1.1 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Positive base follows the outer design with a nominal 0.060 inch (1.524 mm) contour margin and 0.75 mm rounded upper edge. Relief and negative geometry are retained from v1. The existing roofed finger socket is retained. Underside website lettering is repositioned within the new contour. The 3-inch raised design width and Texas-star 0.080-inch field drop remain. Historical v1 packages remain available.

CC BY 4.0 — original tooling geometry. Applies to original tooling geometry only. Reference artwork and marks remain with their rights holders; no affiliation or endorsement is implied. No endorsement by the original creator is implied.

SHA-25655487cd6603eccffa38893e5341fdcf4534378566c39104546625747b220b472

Actual v2 positive contour base and unchanged negative for Texas star and fields form set, digitally checked and physically untested.Actual model preview
NOT YET TESTEDv2 · 15 Oct 2026

Texas star and fields form set

The Texas outline and star share the highest level. All three flag fields sit 0.080 inch (2.032 mm) lower, with raised lines marking the color boundaries. The design is 3 inches wide; relief defines the regions without coloring the felt. Revision v2 replaces the rectangular positive base with a close-fitting contour and rounded upper edge.

Tooling model by Rich and Codex · Blocksmith Works
From a user-supplied reference

Overall size
Positive: 79.22 × 77.33 × 69.50 mm; negative: 99.20 × 97.29 × 22.20 mm
Files
Two STLs + reinforced Bambu Studio 3MF · millimeters
Digital checks
Serialized watertight, consistently wound single solids with positive volumes and no zero-area triangles. Contour margin, rounded-edge separation, preserved relief/negative, STL/3MF match, hashes, settings and plate fit checked.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

P1S / 0.4 mm template: 5 walls and 15% gyroid on BOTH objects. Select your actual printer, nozzle and filament; inspect the complete slice. Turn the negative over about its front/back (Y) axis. Start with scrap felt; narrow details, release and heat/steam behavior remain physically untested.

Download test packageZIP · Two STLs + reinforced Bambu Studio 3MF · millimeters · 1.6 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Positive base follows the outer design with a nominal 0.060 inch (1.524 mm) contour margin and 0.75 mm rounded upper edge. Relief and negative geometry are retained from v1. The existing roofed finger socket is retained. Underside website lettering is repositioned within the new contour. The 3-inch raised design width and Texas-star 0.080-inch field drop remain. Historical v1 packages remain available.

CC BY 4.0 — original tooling geometry. Applies to original tooling geometry only. Reference artwork and marks remain with their rights holders; no affiliation or endorsement is implied. No endorsement by the original creator is implied.

SHA-2561ab4cfb7d998119eecf4d4b0fe802b6389f9f1613cd06bdbaea6995ce0799a20

Actual v2 positive contour base and unchanged negative for Texas A&M lettermark form set, digitally checked and physically untested.Actual model preview
NOT YET TESTEDv2 · 15 Oct 2026

Texas A&M lettermark form set

A Texas A&M lettermark relief, 3 inches (76.2 mm) wide. Narrow letter gaps and small counter details need a scrap-felt trial; conservative negative clearance merges some small cavities. Revision v2 replaces the rectangular positive base with a close-fitting contour and rounded upper edge.

Tooling model by Rich and Codex · Blocksmith Works
From a user-supplied reference

Overall size
Positive: 92.20 × 78.38 × 69.50 mm; negative: 92.20 × 78.38 × 22.20 mm
Files
Two STLs + reinforced Bambu Studio 3MF · millimeters
Digital checks
Serialized watertight, consistently wound single solids with positive volumes and no zero-area triangles. Contour margin, rounded-edge separation, preserved relief/negative, STL/3MF match, hashes, settings and plate fit checked.
Still to test
Slicer behavior, physical print, felt forming, and material suitability for the intended use.

P1S / 0.4 mm template: 5 walls and 15% gyroid on BOTH objects. Select your actual printer, nozzle and filament; inspect the complete slice. Turn the negative over about its front/back (Y) axis. Start with scrap felt; narrow details, release and heat/steam behavior remain physically untested.

Download test packageZIP · Two STLs + reinforced Bambu Studio 3MF · millimeters · 0.7 MB

Read the included instructions before printing.

Report your results

Opens an email draft with the model and version. Attach photos if helpful; nothing is sent automatically.

Changes, license & file checksum

Positive base follows the outer design with a nominal 0.060 inch (1.524 mm) contour margin and 0.75 mm rounded upper edge. Relief and negative geometry are retained from v1. A&M internal connecting webs keep the three letter bases one piece; these are an explicit exception to individual-letter offset spacing. A lower flared section preserves the existing roofed finger socket with supporting wall thickness; the upper contact shoulder remains tight. Underside website lettering is repositioned within the new contour. The 3-inch raised design width and Texas-star 0.080-inch field drop remain. Historical v1 packages remain available.

CC BY 4.0 — original tooling geometry. Applies to original tooling geometry only. Reference artwork and marks remain with their rights holders; no affiliation or endorsement is implied. No endorsement by the original creator is implied.

SHA-256675544b7a16807b6aacf2be90af552aac76e462366428c01a274e9bb1e66b7c9

Before your first trial

  1. Import at 100% scale in millimeters, with the flat base down. Select your actual printer, nozzle and material. Some packages contain reinforced Bambu Studio settings; others contain geometry only. Read the model-specific notes and instructions.
  2. Review the complete sliced preview. Check small features, overhangs, supports, and underside lettering.
  3. Inspect and smooth the printed forming surface. Try scrap felt before using the tool on a hat, and tell us what needs improvement.

Print success, felt fit, and heat/steam performance are separate results. These toppers are not brim blocks. Any future brim preview will still require its matching size/profile/revision coupon before a full print.