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Print in flexible material. for diameter 1" & 0.060" (25.4mm, 1.5mm) thick steel tube often used for poles on trampolines.
I used 1.5mm2 cable through it but use any type of cord that will fit...
Use many layers when printing to get a strong part.
I used my own PI-ETPU 95-250 Carbon Black filament material but it contained some moisture (my bad, did not store it dry...) thus the rough surface on the picture...
Please check out my unique UV-stable, flexible and conductive filament called ETPU 95-250 Carbon Black filament.
Don´t need the conductivity? Well the conductivity is great for some things but perhaps not your first choice? Then consider this:
This filament will give you some really nice benefits if the conductivity is not an disadvantage for your 3D printed design:
•The material composition eliminates “stringing / webbing” issues.
•The hardness of 95 shore A and the carbon black filler makes for great print abilities.
•The carbon black filler is an excellent UV stabilizer thus the prints are built to last in very harsh environments.
•The matte black surface finish has a very exclusive look.
•The material feels very nice and dry to touch.
•It´s not too stretchy and will do great for timing belts etc.