This module turns the free CAD DesignSpark Mechanical software into a low cost 3D CAD design solution, ideal for companies wanting to create fabulous product concepts, without having to invest in 3D CAD licenses & training or relying on contractors for final design creation and manufacturing The Exchange Add-on Module Provides: Edit imported STEP, IGES file geometry Export geometry to STEP and IGES formats DesignSpark 3D CAD Software:DesignSpark Mechanical is a revolutionary free 3D CAD modelling software suite, unrivalled when it comes to engineering innovation and turning ideas into prototypes via 3D-Printing. It lets you freely import, modify and export the industry standard STEP and IGES file formats, allowing you to fully exchange design data with 3D CAD tools such as SolidWorks, Catia, ProEngineer, AutoCAD. DesignSpark Mechanical 3D CAD, Exchange Add-OnThe Exchange module adds advanced import/export capabilities to the free 3D CAD DesignSpark Mechanical software suite. Even though the little knob at the tip of the finial prints solid, it isn't very strong and can break off easily, so be careful.This product will be delivered as a node-locked license code via email. I printed using ABS with 0.2 mm layers and 40% infill for strength, and of course, I used support material. The finial will need support material when it prints, and after it is removed, the underside of overhanging surfaces will be rough- you'll have to do a little sanding. I chose the first option and printed a small cylinder along with the finials. The first option wastes a small amount of filament, the second can be tricky because plastic can drool out of the nozzle while it is waiting and that will put a blob of plastic on the print every time it starts a new layer. You can print an additional object at least as tall as the finials to give the printer something to do while the tiny finial parts cool between layers, or you can add custom gcode for every layer change that just makes the printer wait for maybe 10-20 seconds to start printing after each layer change. There are a couple ways to prevent the print quality problems that printing tiny layers can cause. If the nozzle goes back to a small area before it has had a chance to cool, you'll end up with a blob. Notice that when the printer gets to the top of the print, the area on each finial will be very small and will complete printing quickly.
I printed four of these at the same time using ABS.
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