The IGUS polymer bearings replace an LG8UU which are 24mm long and the Creator Pro uses the LGSUU which is 17mm. This jig allows you to cut down the 24mm to 17mm precisely and use polymer bearings in the FFCP
I am very much an enthusiastic amateur when it comes to designing. My designs tend to have two things in common
1) They serve a purpose. I like to design functional objects which have a real-world use. 3D printing for art is fine, but it's its real-world application which will take the technology forward
2) Wherever possible I design to be easy to print and try to eschew supports or complex printing; modifying the design where necessary and possible to achieve this.