Mechanical parts
Modular Desktop Robot Assembly
- Bounding box
- 170.0 × 90.0 × 179.3 mm
- Engine
- Precision B-rep
- Parameters
- 21
- Published
- September 8, 2026
Download
Free to download and use. See the terms.
The prompt
Design a modular, cute desktop robot for 3D printing. Minimalist white body with rounded corners, black accent joints, Pixar-inspired proportions, no copyright characters. All parts must be functional mechanical CAD, PLA/PETG printable, 0.2 mm layer height, no supports where possible, M3 screw holes, heat-set insert pockets, and snap-fit alignment pins. Robot height: 150 mm, width: 110 mm, depth: 100 mm. Compatible with ESP32-S3, SG90/MG90S servos, N20 motors, OLED display, speaker, microphone, and 18650 battery.
Parameters
| Name | Value | Range |
|---|---|---|
| Body Width | 90 mm | 80 – 120 |
| Body Depth | 80 mm | 70 – 110 |
| Body Height | 100 mm | 80 – 130 |
| Wall Thickness | 2 mm | 1 – 4 |
| Face Width | 85 mm | 70 – 110 |
| Face Height | 75 mm | 60 – 100 |
| Face Thickness | 3 mm | 2 – 5 |
| Display Cutout Width | 30 mm | 20 – 40 |
| Display Cutout Height | 25 mm | 15 – 35 |
| Base Width | 100 mm | 80 – 120 |
| Base Depth | 90 mm | 70 – 110 |
| Base Height | 35 mm | 25 – 50 |
| Arm Length | 45 mm | 30 – 60 |
| Arm Width | 18 mm | 12 – 25 |
| Arm Depth | 15 mm | 10 – 20 |
| Wheel Diameter | 40 mm | 30 – 60 |
| Wheel Width | 10 mm | 6 – 15 |
| Shoulder Joint Diameter | 20 mm | 15 – 30 |
| PCB Frame Width | 70 mm | 50 – 90 |
| PCB Frame Depth | 50 mm | 40 – 70 |
| Screw Hole Diameter | 3.2 mm | 2.5 – 4 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
More models
Browse the full gallery →Spur Gearbox
design gearbox
Trumpet Lyre Mount Main Body
A single 3D mechanical CAD part for a trumpet music lyre mount (Main Body with Paddle). Geometry details: 1. A 18mm-wide semi-cylindrical clamp arc for a 28mm diameter cylinder, w
UAV Ogive Nose Cone
Design a watertight, 3D-printable aerodynamic nose cone module for a fixed-wing tactical UAV, optimized for printing in Carbon Fiber Filled PETG (PETG-CF). The base of the nose con