It is really easy to design your first full contact insole. This guide will help you get started.
Time to finish: 20 minutes
Required: A 3D scan of a foot
Required: LutraCAD Insole software
Please note that there is also a YouTube video available for this tutorial.
To start a fullcontact-insole based on a 3D scan we start by following these steps:
If the client has multiple 3D scans you can now choose which to use. If the client only has 1 pair of 3D scans these will automatically be chosen. The software will ask for a shoe size, if you see the bottom/top side of the foot and will then ask for 3 points:
This will start with left and followed up by the right side.
Now the 3D scans need to be positioned inside the red contour line by moving and rotating the 3D scans (Rotate help). The software will try to position the 3D scan as good as possible.
If you also have 2D scans you can unlock them with step 2: Rotate 2D, move and rotate them and lock them again with step 3: Accept 2D. If you don't use 2D scans you scan skip these 2 steps. For more information see "Designing an insole based on a 2D scan".
After positioning all the scans we can determine the insole height (height of the arch) by going to the next step 4: Insole height. This will let you see the medial side of the foot to easily determine the height. The software will automatically try to find the highest point.
Everything is now set to generate our fullcontact-insole. Simply press step 5: Preview 3D and LutraCAD will start generating. This can take a couple of seconds and the examples will be shown in red in the center of the screen.
We cannot make any corrections to the insoles yet, but we can still adjust the shoe size or move the 3D scans around. If we adjusted anything we need to update the insoles with step 6: Update 3D. If no adjustments are made we can skip step 6: Update 3D and directly go to step 7: Accept 3D. Now the insoles turn white we can add elements, give correction, export or convert to 3D print.
Let's start with adding elements. This can easily be done by using step 8: Add Elements. A full library will be shown and choose which you would like to use. Multiple can be selected if needed. When the elements get imported they all start on the ground surface.
To lay them on top of the insole we need to use step 9: Flow Elements, but before we go to this step we need to position the elements, adjust shape and height if required. After the elements are flown the elements can be trimmed on the edge of the insole by step 10: Trim Elements.
Now the insoles are ready to be exported for milling. By pressing step 11: Export a pop-up will be shown and will ask how you want to export the insoles.
If you want to know how to convert these insoles to 3D printable objects please see the FAQ: How can I export a 3D printable insole.
Hereby the complete step list to design a fullcontact-insole:
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