Camera Adapters Sliders Boom Mounts Mounts PVC Pipe 1/2" 3/4" STLS 3d print.  
Cable clamp for PVC Pipe          Instacalc 3D Printing Compensator Online



Slotted Version? 
Metal ones are many times more robust but cost 15x as much.
7.72 Radius 15.44 Diameter



$65 value

Camera Slider
Triangle Pieces
Dual Tube Slider
Could be  U shape.

Camera Mount to Base Plate Slider
Tube to shoe


Thumb Screw
short


3/4" to 1" bolt to knob.
7mm is .275 inches
4mm is .157inches
total = .432 inches
5/8 to 3/4
.625 to .75
3.2mm hole for threading

Knob Knurled

 Plate for Ring Light     





Cable Clamp
                   

.15



MEK Dangerous
or
Super Glue
Size to be able to accomadate paint.
.0127 to .0254 mm
Wet paints are applied in thicknesses of 0.5 to 1 mil  (a mil is one one-thousandths of an inch, or 0.001-inch). Powder coat is applied in thicknesses of 2 to 6 mils for decorative finishes or 6 to 10 mils (and thicker) for functional finishes. Hardness – Decorative powder coat is physically harder than wet paint.`


Glue for Heat Inserts

Tips
CA in an applictor bottle
Spray Water or Accelerator

Heat Insert Nuts
free frt $10

Heat Insert Nuts

UV Super Glue?




Needs Refinement
Camera Adapter to .6"  socket uses 1 "allen  bolt thickness of ends 18mm.  \. Bolt protrudes 7mm  Needs no heat insert. 1/2 in protrusion to cup socket. (15mmk) 20mm better?
.6" socket to 1/4" with thumb screw      accomadates both heads  of the allen screws.  No heat insert on bottom screw which mates to 1/4 to 1/2" pipe adapter.
 1/2" PVC to 35mm  tripod  shoe


1/2" PVC to 1/4" female
 with thumb screw into side heat insert.   

End Plug With 1/4" threads for PVC Pipe
Needs better design

1//4" socket head bolts.   (Reduce size a bit.)  petg




1/4" x 20 Screws and Adapters Black  1.25"


 1/4" x 20 Screws and Adapters Stainless
If you are going to be adjusting often we suggest using 1/4" heat set inserts.  

Heat Set Insert Tip
 EBAY  .75ea. Stainless
Aliexpress .35

Ebay China 1/2" .20 / 50
 Ebay  .60ea Black
Parameters
Aliexpress  .28





Slotted Head Version?
Qusarter socket w thread




STL Socket Head Screw
 You can also avoid using heat set inserts if you tap the receiving parts.

Die Wrench  buy appropriate size

Hex Drive  Type Die 1/4" x 20
Drill for 1/4 x 20
#7 is a 0.201" diameter bit, 13/64"
is 0.203" diameter. 5.159248 mm
Harbor Freight Set with 13/64th
Getting the parts to work out of the printer can be tedious.
Tools
Checking Pencil
1/4 tap and die only
Numbered Drill Set
We suggest using a tap and die set to finesse the parts.   (40 piece set Aliexpress)



Individual die
 Die Wrench  buy appropriate size

Hex Drive  Type Die 1/4" x 20
1/4" x 20 tap

1/4" -1/2" T Handle
 A copper pipe tubing cutter comes in
handy for cutting PVC pipe.
 Drill for 1/4 x 20
#7 is a 0.201" diameter bit, 13/64"
is 0.203" diameter. 5.159248 mm
Harbor Freight Set with 13/64th