- #Cad drawing for a raspberry pi 3b pro
- #Cad drawing for a raspberry pi 3b software
When I started with this project I took some measurements to figure out the spacing.
Screw holes are positioned closer to the edges. Horizontal support on the top vents for easier printing. The left most screw hole slightly overlaps with the USB port, so a screw head in that position can block the USB cable. The vents at the top cannot easily be printed because they are too tall and thin. The hex mesh pattern on the back is cool however each hexagon is pretty small and ends up looking like a circle after printed. The above design I thought was pretty good however there were 3 problems: I played around with the idea of mounting a fan somewhere but there isn’t much clearance in this location so I decided in flavour of passive cooling (my Raspberry Pi does have a heat sink on the CPU though). Ports for USB and HDMI are to the side and I added vents to the top and back for air flow. Though the main difference is I’ve left a space in the top for accessing the Raspberry Pi’s camera port. The main body of the bracket is just a sleeve where the Pi slides in and is held in place by friction. Inspired by some other designs I’ve seen on the internet I decided to mount the Pi above the SD card slot. As my next project in the CAD world I decided to create a bracket for connecting a Raspberry Pi 3B+ to the 3D printer. Octoprint is a popular remote access tool for 3D printers that can run on a Raspberry Pi. I made the pocket the same size as the width as that wrench so there isn’t enough clearance. The datum plane (yellow plane) is used to create pockets for all the tools. 
From the bottom up: Wrenches, hex keys and screw driver, angle cutters, spatula. One main sketch of the base and a sketch for each individual tool holder.
The idea is the holder nests just under the right most side of the control panel. I figured I’d start small and work my way up in design complexity, so the first project I worked on was something simple and also practical: A tool holder for my Ender 3 (designed in FreeCAD). And I found OpenSCAD interesting because it takes a coding approach with defining the geometry.
#Cad drawing for a raspberry pi 3b software
FreeCAD would be the more traditional CAD software where the user starts drawing and constraining sketches. The programs FreeCAD and OpenSCAD, were the first tool to catch my eye. This obviously means I need to learn some CAD software to creating crafting my own 3D models. There are all sorts of cool projects on to print, but I’m personally more interested in what I can make myself.
#Cad drawing for a raspberry pi 3b pro
In my quest to make cool stuff, I decided to buy myself an Ender 3 Pro 3D printer.
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