Intro: How to Make a Cheap Knex Spool Stand
Step1- Connect the structure as shown in the picture.
You will need:
-4 blue connectors
-8 purple connectors
-5 white connectors
-2 orange connectors
-6 yellow connectors
-5 red sticks
-10 yellow sticks
-10 blue sticks
Step2- Print some hollow cylinders to make the spool rotate smoothly
Step3- Place the spools on the top red sticks. That is where the filament will rest on.
Step4- add some rubber pads to the bottom to keep the filament holder in place