Parts list

4 or 6 PCS M6 Tee Nuts
2 PCS Pop Rivets
2 PCS CSK One Way Bearing csk8 8x22x9mm
4 PCS Ball Bearing 608zz 8X22X7 mm
1 PCS DC12V 25mm 100RPM Gear Motor 25GA-370
2 PCS of 210mm 8 mm aluminum tubes
2 PCS of 175mm 4 mm brass or carbon tubes
1 PCS PG7 3-6.5mm Waterproof Nickle Brass 
14 PCS 3.0 X 15 screws
4 or 6 PCS M6 bolts/screws
2 PCS M3 screws
2 PCS M3 washers
2 PCS O-Ring R32
4 PCS O-ring R29
500 g PETG Filament
20 g TPU Filament
1 PCS125 X 205 akryl
1 ZIP STL Filies

Motor control is optional depending on the type of switch used

C1 - 100 NF
C2 - 33 uf 35V
IC1 - L293D size DIP14
IC2 - 7805T
R1 - 10K
R2 - 10K
R3 - 88R
R4 - 88R
R5 - 88R
Led1 - 2.8 - 3.4 V 25 mA
Led2 - 2.8 - 3.4 V 25 mA
Led3 - 2.8 - 3.4 V 25 mA

 Suggestions for PCB design 25 X 90 mm