After setting up an old Android phone for Klipperscreen I needed a way to mount it to my printer.  After searching around and being unable to find anything that fit my needs I decided to try and design my own.  

I used the 4040 V Slot Mount as a starting point and designed the rest in Onshape.  It's a simple design that simply slips into the V Slot on the right lower support of an Ender 3 / Ender 3 V2 and holds a phone in landscape mode for using Klipperscreen.  

Hopefully this helps someone else.

Phone Mount - Ender 3 V2 - Right

While browsing printables I found a few neat designs for magnetic dry erase marker organizers, but none that fit my exact needs.  I decided to try and put something together in Onshape that matched both my requirements and my available magnets.  This was the result.

It's a simple design meant to hold 5 dry erase markers (the larger thick line versions).

Printing

Prints great in PLA with no supports
I used Voxel PLA+ at 10% infill and .2mm layer height
Magnets

The holes are designed for 6 of these 12x3mm magnets
A bit of super glue and just push them into place

Dry Erase Marker Organizer - Magnetic

While messing with my silica gel to get it restored I realized that I had a dryer source sitting right next to my printers.  I went looking for a model that would allow me to use my single spool filament dryer to restore my silica gel and was unable to find anything that fit my needs.  I took to OnShape and did my best to model up an object the approximate size and shape of a filament spool.  Because I'm still really new to CAD I couldn't figure out an easy way to punch a bunch of holes through the object to allow good airflow that wouldn't let silica gel come streaming out so I ended up settling on using the “0 top and bottom layers” trick to let the infill do the job for me.  The final project came out really nice.  
 

**Print Settings**
PLA (PETG or ABS may work better depending on how hot you run your dryer)
0.2mm layer height
6 Wall Loops
0 Top Surface
0 Bottom Surface

The 3MF I included has the correct orientation and settings already applied so use it for reference.

 

**Usage**
After printing simply fill the container section with silica gel then snap the lid into place.  As long as your dimensional accuracy is good you should be able to press fit the lid without issues.  It maybe require a little finagling to remove it as I haven't figured out a good way to put any sort of handle on it, yet.  Then simply place the spool in your filament dryer as normal. I have set mine to PLA temps to start (Eibos Easdry) for testing but you could probably go higher. I've tested this printed in PLA at ~60C for 3 days and it held up with no issues.

Silica Gel Dryer Spool 

Silica Gel Dryer Spool v2.3mf

A simple lightbox I designed for use with this[ Boba Fett Lithophane](https://www.printables.com/model/122491-boba-fett-lithophane). 

LED's I used: https://www.amazon.com/dp/B0C49PJLGG

Boba Fett Lithophane Box

Boba Fett Lithophane Box.stl

I'm just a network engineer who likes tinkering with 3D printing.

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Phone Mount - Ender 3 V2 - Right

Dry Erase Marker Organizer - Magnetic

Silica Gel Dryer Spool

Boba Fett Lithophane Box