Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5020604.

This is a control board box for the BTT Octopus that fits the Ender 3 Pro and probably fits the Ender 3 V2 (but I cannot confirm).  I didn't like the one or two options on thingiverse for this massive control board so I designed my own.  The board mounts upside down inside the box because it was the only way I could fit it in there with the large heatsinks that came with the stepper drivers.  The stock 40mm fan attaches on the side.  It has cutouts for the ribbon cable and z endstop wire.  I might make a mirrored version to go on the other side that holds a raspberry pi and the control screen.  I can provide the Fusion 360 or step files if anyone wants to remix it or make the mirrored version.  This is designed to use as few supports as possible.

You will need (11) 6 mm or 8 mm M3 screws and (4) 16 mm or longer M3 screws for the fan.  

The fan has a cover, but make sure the bottom surface of the fan cover is oriented away from the fan to provide clearance.

The screw holes are properly sized for direct threading, but if you are concerned, you can print the fan cover first to make sure the M3 screws will thread tightly.  The fan cover only takes 10 minutes to print.


BigTreeTech Octopus box for Ender 3 Pro

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4964599.

I liked the Nux Bird by SaltMarsh, but I decided to remake the base to look closer to the one in the movie.  I joined the two skull pieces to print in one piece since I have a resin printer that can print it without issue.  I also scaled the skull up by 4% so that the spring can be inserted easily, but is still snug enough that you don't need glue.  In hindsight, I should have left the skull the same size and just enlarged the hole.

I would recommend a higher infill on the base than the skull to make sure it isn't top heavy

Nux Bird Bobblehead - Mad Max

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4929032.

I took the feet off the box and modified it to hold a plastic solder tube instead of another soldering head.  It fits the standard solder tube container you can get from Amazon or Radio Shack.  I love this thing and take it with me often.

TS-80 Battery Case Remix

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3761207.

A holder for practice locks.  The other holders I found on Thingiverse were way too small to fit my locks, so I made my own.  There are tabs that prevent the locks from sliding out without some effort.
The center plug snaps into place for storage and transport, or you can insert it from the back and it will provide a secure way to hold the entire assembly with a vise or act as a kickstand.

Make sure to use supports for the main holder.

The center plug can be scaled up or down by 1% on the X and Y axis for a tighter or looser fit, although on my printer it fits perfect at it's current size.

This was designed for lock cylinders with a diameter of 16mm and a riser (pin housing?) width of 6mm.

Practice Lock Holder

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3699777.

This is a credit card sized holder for the Mace Picks sold by Sparrows:
https://www.sparrowslockpicks.com/product_p/mace.htm

The card is 0.85 mm thick, and should be printed in whatever layer height is suitable for your printer settings.

Once printed, I placed a piece of clear packing tape on the backside and then placed the picks into the card to be held in place by the tape.  You could add another piece of tape on top after inserting the picks, but I found that it was not necessary and my wallet held the picks securely in place.

Sparrows Mace Pick card

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BigTreeTech Octopus box for Ender 3 Pro

Nux Bird Bobblehead - Mad Max

TS-80 Battery Case Remix

Practice Lock Holder

Sparrows Mace Pick card