well guys i finally made it. a 3D printed 4″ trim saw and works fine, you just can’t force your stone through.
gemmakermz@cs.com i get the motors from a fellow i texas, small strong ac motor out of eureka vac’s. but have to pulley gear speed down. the motor is $15 and the plastics to print and arbor is printed too is $15. yaa only $30