Constant Mesh Two Speed Gearbox

In this type of gearbox, all the gears of the main shaft are in constant mesh with the corresponding gears of the countershaft. A sliding dog clutch is provided on the main shaft.Gear ratios 0.75, 1.33 and neutral.This model was designed in Tinkercad.3-speed gearbox with reverse gear : Constant Mesh 3 Speed Gearbox with Reverse Gear by Bootjevaarder | Download free STL model | Printables.com Printing and AssemblyThe parts should be printed on a smooth build plate, not textured.If possible, avoid elephant foot.I printed the model on a PRUSA MINI, with PLA+ filament, layer height 0.15 mm. I use Hard Plastic Glue where necessary.For assembled and exploded views, use .stl files A0… X0… (do not print).Printing and assembly in alphabetical order (A1 → X1).Choise between Spur and Herringbone gears (A4 B2).Dimensions: 95 x 63 x 101 mm.Weight: 0.1 kg. Join gearbox to “4 Stroke Flathead Engine”Print parts X1 → X5.4 Stroke Flathead Engine v1.0 by Bootjevaarder - MakerWorldTo couple the gearbox to