Update made:

designed in supports added to remove risk of warping during print.

(Post processing for the crank, remove the tree supports and also remove the support in the middle of the bars and on the underside, a de-burring tool helps make sure you have a smooth edge. if you have a hard time removing the supports, a pair of needle nose pliers work great)

The fillet edge was made slightly smaller to get a smoother finish on the top edge, now the supports are no longer needed in that location. 

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This is designed to dry and roll up your boxing wraps after us. you can hang dry them on a door after using them and once dry roll them up for your next use.

Three designs available depending on the thickness of the door you planning on using it on. the 35.5mm one is for most house interior doors, but there is a bigger 45mm and 62mm version available.

There is also a door fitment test profile available. if none of these sizes work for you, message me and ill make a new one that will fit your door with your provided measurements.

simply slide the wrap as displayed here, slide the crank and role it up. once done pull the crank out and your done.