Grumpy Desk Cup
Featured Project

Grumpy Desk Cup

By Gary Sinkowitz  ·  Sep 13, 2026

A grumpy-faced cup for pens, brushes, small tools, or a small plant — low-poly angular face on the front, ears on the sides. Prints tall as a single piece with tree supports.

Beginner 3.5 hrs 1 steps
Materials & Tools: Green Bambu PLA Basic filament (~170 grams w/ supports) Bambu Lab P1P (0.4mm nozzle) Tree-organic support material (same PLA)

A characterful desk cup that turns storage into a bit of personality. It's a ~125mm-tall vessel with a stylized grumpy face — angular low-poly cheeks, a furrowed brow, and ears on both sides. Printed upright in one piece; the overhangs on the face and ears need supports, so this is a good project for dialing in tree-organic support settings that peel off cleanly.

How It's Made

Step 1 — Load Model file and Print Bambu P1P Right
  • Load the model file . Make sure the filament type loaded in the selected machine and Bambu Studio match
  • Set the base profile. 0.20mm Standard  0.4mm nozzle. Layer height 0.2mm.
  • Enable tree-organic supports. Type tree(auto), style Tree Organic, threshold angle 40°, on build plate only, critical regions only, remove small overhangs. No raft.
  • Tune support interface for clean removal. Top Z distance 0.3, bottom 0.2, top interface layers 3, concentric interface pattern, top interface spacing 0.5, support/object XY 0.35 — this gives supports that hold the face detail but pop off without scarring.
  • Print, remove supports, clean up. Peel the tree supports off the face and ears, clean the eye/brow recesses, and it's ready to fill.
Design Files
GrumpGus.stl
1.6 MB  ·  0 downloads
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GrumpGus.3mf
568 KB  ·  0 downloads
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Made By
Gary Sinkowitz
CitrusMakerspace Member
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License
CC BY-NC-SA View license
Free to use and adapt with credit. Non-commercial only. Share-alike required.
All Design Files 2
Files shared under CC BY-NC-SA
GrumpGus.stl
1.6 MB
GrumpGus.3mf
568 KB
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