MendelMax 1.5 with only one motor for Z-axis

thingiverse

The zig-zag solution requires these components for implementation: Printable items include: - Two SpannFix holders for tensioner pulleys - Two Pulley 625ZZ - One Lower Z Mount with a bearing instead of a motor from another Thingiverse source Required hardware includes: - Four M5 T-Slot nuts - Four M5 x 10, socket head screws - Two M5 x 30, hex head screws - Washers, 5mm, as required - Four Bearing 625ZZ - Two Pulley T2.5 / 32 - One T2.5 closed belt, Length: 950mm - Two Z-axis rods, Length: 340mm and 310mm (longer than original rods), e.g., Tr 8x1.5 An update notes that the zig-zag solution may affect belt durability; an alternative "triangular" solution using an aluminium rail is recommended. For this, you'll need: Printable items include: - A spanner holder Required hardware includes: - 20 x 20 aluminium profile, length: 25 cm - Three M5 T-Slot nuts - Two M5 x 20, socket head screws - One M5 x 10, socket head screw - One M5 x 80, hex head screw - Washers, 5mm, as required - Nuts, M5, as required - Two Bearing 625ZZ - Two Pulley T2.5 / 32 - One T2.5 closed belt, Length: 950mm or 910mm - Two Z-axis rods, Length: 340mm and 310mm (longer than original rods), e.g., Tr 8x1.5 Remember to drill two 5mm holes into the aluminium profile for fixing it on the frame, countersinking one side using a 9mm drill or larger.