![]() ![]() ![]() ![]() Now turn on the visibility of the sketch and create another extrusion. After creating first extrusion the coil shape wil be gone.Select rectangle, use Cut, both directions and All for extents. Use correct parameters to dimension the flat pattern shape: Make sure that you constrain and dimension it in such way that it doesn’t interfere with rectangle you draw in previous step. While stiil in sketch draw the flat pattern shape.Use Projected geometry to get the bottom point of the coil: ![]() Draw a rectangle that is slightly bigger (10 mm in my case) than the size of coil.Switch to Flat Pattern and create a new sketch on face shown below:.The good thing is that there is no error message. Flat pattern of course cannot be created so the flat shape will look the same as folded. Do not draw flat pattern shape as described in tutorial.Follow procedure decribed on cad-notes post to model the 3D spiral part and add required parameters to calcultate values needed for flat pattern geometry.This is how you do it (it was tested in Inventor 2016): This also means that you can create drawings of part in folded state and flat pattern as for regular sheet metal parts. Their solution can be slightly improved so you actually get flat pattern under flat pattern node. There is a nice tutorial on how to fake creation of flat patterns of spirals or helical screws on cad-notes. ![]()
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