Let’s Print a Cat/Pet Feeding Device (Part 3)

published: January 13, 2021 — last modified: October 23, 2025

In this third part of the series, we print three panels for the enclosure and the rotary platform. If you missed the first or second part, visit the overview page to access them.

The Files

You will find all required files for the following prints in the GitHub repository:

The Left Side

  • File: LR2051-404A.stl
  • Material: PETG (Galaxy Black)
  • Layer height: 0.2 mm
  • Print bed: Powder coated
  • Supports: No supports required
  • Difficulty: Medium (Warping!)
  • Filament: 126g
  • Print Duration: ~10h

The Right Side with Funnel

  • File: LR2051-405A.stl
  • Material: PETG (Galaxy Black)
  • Layer height: 0.2 mm
  • Print bed: Powder coated
  • Supports: No supports required
  • Difficulty: Medium (Warping!)
  • Filament: 132g
  • Print Duration: ~10h

The Funnel End

  • File: LR2051-408A.stl
  • Material: PETG (Galaxy Black)
  • Layer height: 0.2 mm
  • Print bed: Powder coated
  • Supports: No supports required
  • Difficulty: Easy
  • Filament: 11g
  • Print Duration: ~1h

The Top Side

  • File: LR2051-406A.stl
  • Material: PETG (Galaxy Black)
  • Layer height: 0.2 mm
  • Print bed: Powder coated
  • Supports: No supports required
  • Difficulty: Medium
  • Filament: 110g
  • Print Duration: ~8h

The Turntable Platform

This is the most difficult print of the project. After some problems with the initial design, I wrote a separated post how to print this part:

Conclusion

This is the end of the third part. In the next part we will talk about the enclosure panels in the front and back of the device. While all of the previous prints were universal, you might want to do changes on them – depending on the components you want to use.

If you have any questions, missed information, or simply want to provide feedback, feel free to comment below or contact me on Twitter. 😄

More Posts

Quick 4h Build – PID Fan Controller

Posted on 2020-12-05— 3D Printing, Projects

I built a PID-controlled fan and temperature controller for my printer enclosure in about four hours using an Adafruit Feather, DHT22, OLED, MOSFET, and a PWM fan. I walk through printing the case, wiring, firmware setup, and assembly—read on if you'd like to build one yourself.

Read this post

Flat Boxes Update

Posted on 2020-11-30— Projects

I've updated the flat boxes set with a refined wall profile (revision B) and added five new boxes, including a large 2×4 and four grid variants. I show corner comparisons and note existing customers received files. If this is useful, please check the full project details on the project page.

Read this post

A New Library for Meggy Jr RGB

Posted on 2014-11-13— Projects, Software

I rebuilt the Meggy Jr RGB library from scratch to make game development simpler on the ATmega328P. I focused on low memory use, frame‑synchronized loops with a back buffer, clear color handling, fast pixel operations, reliable button input and a background sound player. Read the post for examples and the GitHub release.

Read this post

Event-Based Firmware (Part 2/2)

Posted on 2019-07-08— C++, Improve your Code, Learn

I guide you through evolving a simple Arduino blink example into a reusable event system. In Part 2 I cover function-pointer events, an EventLoop module, and practical multi-event examples. If you want cleaner, non-blocking firmware structure, read the full post for code and explanations.

Read this post

Convert Bitmap Fonts for LCD Displays with Style

Posted on 2015-09-04— Software

I created a small macOS app that converts bitmap 8×8 fonts into byte arrays for text-only LCD displays. It accepts PNGs, validates the layout, and outputs source code you can save or copy. I also provide an example font, a Photoshop template, and the source—read on for download and usage.

Read this post

New Storage Boxes

Posted on 2021-08-13— 3D Printing, Common

I've released several new 3D-print storage boxes with the label area moved to a different side so identical boxes can sit in a drawer with labels aligned. I explain size variants, rib adjustments, and how to download updated files. Please read the full post to see illustrations and the catalog link.

Read this post