Shopvac Hose Adapter Generator [Parametric]

thingiverse

These hose adapters really suck!!!\r\n\r\nThis is a spreadsheet parameterized Freecad 0.18 file for generating printable adapters/couplers for vacuum hoses and accessories. It can make them in any size and gender as long as it's a straight with tapered connections on either end. The 'aero styled' transition areas minimize the chances of debris getting snagged on the adapters. They also give lower air drag than the usual ruler sketched adapters.\r\n\r\nIf you're not familiar with Freecad, generating a custom STL is an easy 3-step process once you have the file opened... from the right side tree view panel, 1- double click the "data" spreadsheet and change the values as needed (use the uploaded image for reference), 2- choose the kind of adapter you want of the 3 available parts and click on its "revolution", 3- then do file/export... done.\r\n\r\nThe included example STLs are roughly sized for 2.5" and 1.25" hoses or accessories.\r\n\r\nEnjoy!\r\n\r\n[Update: Added a version 2 Freecad file with some small changes. The 'out-out' model has improved geometry for more secure build plate adhesion. I set the build plate rim to 1mm thickness which should be adequate for most situations (it's not in the spreadsheet, but if you need a wider or narrower "footprint" just edit the drawing itself). I also redefined the way I defined the 'outside' fit geometries in version 1 could be problematic for some choices of dimensions. So I redefined those geometries to get more consistent and reasonable thickness, and to guarantee a consistent 20-degree leading edge.]