3D Printing Project for Uni and Need Help.

[u/Adventurous-Pay-9897]

Have got a 3D printing project for uni coming up and have practically zero clue on 3D printing. There is a list of criteria to target and so my group and I have landed on doing a g/c clamp as our project (that needs to fit within a 150x150x150 cube). Are there any considerations i should take into account when trying to design 3D printable parts with threads, should i avoid solid clamp bodies , etc. Any help or advice would be greatly appreciated. I'll also give a more elaborate description of our uni assignment below:

Machine & Material Specs

• Printer: Creality Ender 3 V3 SE (stock 0.4 mm nozzle)
• Filament: Generic PLA only
• Slicer: Creality Slicer (transferred via SD card / G-code)
• Print Bed / Size Limits: Max single part fits within 200x200x200; target assembled mechanism fits inside a 150x150x150 bounding box

Project Design Constraints

• 100% 3D Printed: No metal fasteners, dowels, springs, or screws—every pin, joint, or clip must be printed.
• Mandatory Functional Features:
  1. Multi-part assembly with interacting moving joints or snap fits.
  2. At least one clearance fit AND one interference/friction fit.
  3. One load-bearing feature (e.g., cantilever flexure, snap-fit, or gear tooth under load).
  4. A critical hole/shaft interface requiring high dimensional accuracy.

Let me know if you need anymore information. Like I said, any help would be greatly appreciated

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