Counterswirl Top

Description

This print is great for all levels of experience. The open lattice pattern looks great still and while it's spinning. The openings form patterns that change based on the viewing angle and the speed it's spinning. I've included my STL files and PrusaSlicer 3MF files. The top is available as 1 piece and two. I recommend the 2 piece. It prints a lot smoother and takes less time (almost ½ the time of the 1 piece). They spin about the same. To assemble the top, just sand the flat art of each top a little to reduce the seam and add texture for the glue, then glue together with medium CA. The 1 piece is printed inverted (as suggested by @layerworks on one of my other prints). @layerworks on Printables.com succeeded in doing so with just a brim and organic supports (using PrusaSlicer 2.6.0 Alpha v6). I tried it, but I knew for my printer, I'd need supports for to keep the stem from moving sideways until the supports made contact. So, I designed a support collar which just makes contact with the stem. If you want to print as one piece, I recommend using the stem and printing just the first 30mm (takes about 45 minute). While the print is still on the plate, try moving the stem sideways to see if it has give. Then, remove it from the plate and the collar and see if it was too tight. Then, scale the collar up or down as needed (probably no more than 0.5 - 1%). My 3MF file for the 1 piece version includes the collar. If you don;t have the alpha version, PrusaSlicer will substitute the organic support setting with grid, which should work OK and takes about 1.5 hours less. This is a great design for 2 or 3 color filament, rainbow filament, or adding color changes by swapping filament.

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