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. 2022 Aug 27;12:e00354. doi: 10.1016/j.ohx.2022.e00354

Fig. 7.

Fig. 7

Attachment of rotary encoder to shaft of coupler by (a) assembly of the tape measure using screws salvaged from dissembled tape measure, (b) tightening of rotary encoder grub screw onto the shaft of the coupler, and (c) careful removal of the grub screw Allen key.