Perforated prototyping board 90x90x3 mm — v2 thinner peg necks (OpenSCAD)
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v2 thinner peg necks for support-free flat printing; includes board and corner/cross/hub connectors.
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- Printables
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- Creative Commons — Attribution — Share Alike
Remix of the perforated 90×90×3 mm prototyping board with edge pegs and matching connectors.
What’s different
- Edge pegs are Ø3 mm (= board thickness) so the board prints flat with no supports under the pegs.
- Each peg sits off the side face, connected by a rectangular neck undercut (not a cylinder): 2.0 mm thick × 2.0 mm radial. The neck is thinner than the 3 mm board so a coupler can lock behind the peg.
- Matching connectors: Ø3.3 mm holes grip the peg; 2.3 mm approach slots clear the rectangular neck and form a keyhole lock.
- The rectangular neck is solidly embedded ~0.5 mm into the board face and ~1.7 mm into the Ø3 mm peg, creating an overlapping printable joint rather than tangent contact.
Geometry
- Board: 90 × 90 × 3 mm, 3 mm holes on 5 mm pitch
- Peg: Ø3 mm, axis 3.5 mm from the side face
- Neck: rectangular bar, 2.0 mm (Z) × 2.0 mm radial
Print the board flat. Connectors print flat. OpenSCAD sources included.
Remix of: https://www.printables.com/model/1439043