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Today I wanted to try and demonstrate the use of the Small Modular Marker Towers (SMMT for short) that I recently had gotten time to start to finalize. These smaller towers (compared to MMT) are for use when scanning small parts with high details, with a scanner that is used in close proximity to the object being scanned. In this case the CR-Scan Otter in Small mode. I wanted to select a bit of a challenging part, and decided on a small plastic button that I had trouble scanning with the larger towers previously. The wall-thickness is about 0.7 mm, and it had a semi-translucent area in the center (2K injection molded). The setup was four SMMT towers around the part build for a size suitable for the part, placed on a turntable and the part raised in the center, with everything attached with reusable adhesive. Tracking worked really well all around the part, and pretty much the only issue the Otter had was with the area where the translucent plastic was through the entire part (as expected). It was even able to reach far all the way in underneath the tiny snap fits with barely any material that shouldn’t be there. Yes the snap fits are a tiny bit rounded on the edges, but they are just ~3×2 mm in size. Attached pictures is of the SMMT setup on the turntable, pointcloud with one tower visible to check if the scan had been captured well (two references that can be checked), closeup of the scan and a size comparison of the part to an SD-card. Also decided to 3D-print the STL straight out from the software to check the scanned dimensions. Appears to fit very well and none of the little snapfits broke despite being printed in PLA. The SMMT-parts can be found here if anyone else might find a use for them (and collection will keep growing for the coming weeks): https://makerworld.com/en/collections/4545861 And the larger MMT-parts can be found here: https://makerworld.com/en/collections/3454869 submitted by /u/Pawpawpaw85 |
