Hello!!
You need to design gym and want to update cardio equipment such as treadmills, ellipticals, and stair climbers and well as functional and strength equipment such as dumbbells, squat racks, deadlift platforms, battle ropes, sled, medicine balls etc?
Check my portfolio here
https://www.freelancer.com/u/zulartistcanada
1) I can send you designs as per your need with unlimited revision on selected design.
2) After completion of the project will provide you all source file including 3DMAX, JPEG, STL and the all you need
Thankyou!
Farzana