Try something like the Eiffel tower. For some idea look at "Retract Hell".by SteinbeisserKarl - Crowdfunding Projects Announcements
Hey there. I must say your product looks very intriguing but I have a questions if you may: The prints I see in your videos and pictures are ones which do not need a lot of retraction. I ask because inexpensive flex-shafts are normally unidirectional and flex when rotated in the opposite direction of intended use. Bidirectional shafts are more expensive but are better suited for this. I for examby SteinbeisserKarl - Crowdfunding Projects Announcements