Wind up Runaway Escapement Mechanism

.This is an example of a Runaway Escapement Mechanism with are found most windup toys

.No glue or non 3d printer parts are needed.

.When printing the spring make sure you print it at 100% infill.

.Petg is recommended for the spring to make it last longer but isn't necessary; every else can be made from pla

.will work without the stand.

.I haven't tested scaling but if you do, i wouldn't go under 50%.  

Assembly guide

Press tail of spring in the small hole on the body and pull the middle of the spring

(the shaft) through the big hole of the body

Press the back plate on to the body.

Press the slip gear on square part of the shaft.

Make sure it is in the same direction as the picture. 

Press Stand on back plate. The point should be on the bottom

Place main gear on the spring shaft and over the slip gear.

should click when rotating one way and turn the spring when turning the other way

Place 2nd gear on the shaft on the body

Place timing gear on the spring shaft over the main gear.

Place fork on the body shaft over the 2nd gear and line it up with the teeth of the timing gear.

Press brace on the body shaft and the spring shaft. the open half should be on the spring side.

Press winder on the spring shaft.