-PLA filament for printed objects below: - Top caliper, $0.38 (estimated based on 18g of PLA at $20/kg) - Bottom caliper, $0.32 (estimated based on 16g of PLA at $20/kg) - Slider segment, $0.40 (estimated based on 20g of PLA at $20/kg) - Measuring tape for sewing applications, $3.89 - Link: https://www.amazon.com/Measure-Flexible-Measurement-Centimetre-60-inch%EF%BC%88White%EF%BC%89/dp/B07MT89MCW/ref=sr_1_4?crid=2XBQOPXNUVY4G&keywords=sewing+measuring+tapes&qid=1575485856&sprefix=sewing+measurin%2Caps%2C188&sr=8-4 Methods: 1. Remove support material from slider segments 2. Snap slider segments together 3. Slide measuring tape into slot on top of slider assembly 4. Fit top caliper on pegs of the uppermost slider segment 5. Fit bottom caliper over bottom portion of slider assembly