Remote control Slider 

Online Diagram
Spread Sheet
Stepper Motor to Tire adapter
make out of PETG and glue.
Piece from stepper to 1/4x20
Gantry plate of PETG
Eccentric Nuts
v-slot Rollers
Holder can use bolts m5
Epoxy adapter to v-slot roller




Remote Stepper controller
Funssor
Nema 17
Battery or USB Charger
EMT dual
Rollers TPU
Skate Board Bearings
Eccentric Nuts
V wheels
2040 Track
A Platform
Belt
Limit Switch or slip clutch

Casting Tires Urethane
https://amzn.to/41oNWfK
https://amzn.to/3IPdhrJ