RepRap for Science—How to Use, Design, and Troubleshoot the Self-Replicating 3-D Printer - Open-Source Lab: How to Build Your Own Hardware and Reduce Research Costs - page 122

FIGURE 5.25 y -motor mount installed between the double sets of washers on the base.
Assemble the BOM for the super-slim y -stage (shown in Figure 5.26 ) :
Two of each carbon fiber rods 12 : 200 and 185 mm.
Four M3 × 10 mm screws.
Four M3 bolts.
Four corners, four saddles and one spacer (or print plate01.stl).
Plastic weld epoxy.
Heated bed.
Thermistor.