For all those art supplies. DIY project du jour: Shoe box + toilet paper tubes (and/or paper towel tube pieces) = storage for pens and other office/art supplies (via Aunt Peaches) More paper tube repurposing ideas: here.
DIY Pop-Up Pen Organizer great idea to make via a video tutorial for artists on the go either for field sketching or college, my tip use mini hinges instead of tape and plastic, leather or fabric for a long lasting product
This Folding Pen Organizer Tutorial Will Blow Your Mind
Leather brush roll - Handmade Leather Pen organizer - leather pouch bag - leather pencil case - Paint Brushes Case - pencil roll case by SunLeaves on Etsy https://www.etsy.com/listing/457035168/leather-brush-roll-handmade-leather-pen