Rugged Pencil Case – Print-in-Place Clamshell (no supports, no hardware)
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Hard-shell pencil case that prints in one piece, hinge and latch included. Snap it shut, throw it in the bag, done.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Office
- Licencja
- Creative Commons — Attribution
One print, zero assembly. The hinge and the latch are printed straight into the part. Lift it off the bed, fold it shut, and it clicks closed. No pins, no magnets, no glue.
I wanted something that survives a school bag better than a zip pouch. So the case is built like a small field case: thick walls, chamfered edges, ribbed sides and corner bumpers. Pencils stay put and the lid doesn't crack when a laptop lands on top of it.
What's inside
Parallel channels in the bottom tray keep pencils and pens from rolling around and rattling
Five round bores at one end hold pencils, brushes or a sharpener upright when the case is open on the desk
A long open bay along the back for a ruler, eraser or a few markers
Flat lid interior, plenty of room for stencils or a small notepad
How it works
Full-length compliant hinge along the rear edge, printed in place – it opens 180° and lies flat on the desk
Center snap latch on the front lip holds the lid shut on its own; a thumb press opens it
Whole case comes off the printer as a single part
STEP file so you can tweak channel count, bore size or overall length in your own CAD. It's also free for commercial use.
Print footprint is roughly 203 × 172 × 23 mm laid open, so it fits a 220 × 220 bed with room to spare.
Print settings
Wall order: Inner/Outer – this is the one setting that matters. It lets the hinge and latch overhangs print cleanly with no supports.
Print flat, lid open, exactly as the file is oriented
Layer height: 0.2 mm
Walls: 2 · Top/bottom: 3
Infill: 20 % adaptive cubic (gyroid or grid also fine)
Material: PLA (my print). PETG should work too but I haven't tested the latch stiffness in it.
Supports: none · Brim: not needed on a clean bed
Reference print: ~4 h, ~160 g, Anycubic Kobra X
After printing: work the hinge back and forth a few times. It's meant to be a little stiff on the first fold.
AI disclaimer: No AI was used to create the model, but AI was used to help write the copy and edit the pictures.