WPC Pinball Standard Body Cabinet Plans
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wpc_cabinet.skp

README.md

WPC Pinball Standard Body Cabinet

This repo contains a sketchup model of a pinball cabinet in standard WPC body style and related information. I did this model to have a starting point for designing a virtual pinball cabinet.

To view the model download the Sketchup Viewer. To edit the model download Sketchup Make. Both these tools are free.

The sketchup file is here. You need to unzip it and find the file wpc_cabinet.skp and open it in Sketchup or the viewer.

If you find any mistakes in the model or the information below please open a new issue or make a post in this thread.

Here is a screenshot from the model:

Screenshot

Notes

  • The model is made from measurements taken from my STTNG and IJ widebody games, but converted to standard body width. In addition to taking measurements from the physcial games I cross-checked with information found online which I have listed in references. Some measurements are only from online sources since they were hard to do without tearing down the games.

  • I started out in millimeters but many measurements did not make sense so I switched to inch. To convert to millimeters multiply by 25.4.

  • The sides should have two holes for playfield support screws, but they are different for different playfields (at least my IJ and STTNG have their holes at different places). So those holes are omitted in the model.

  • The joints are modelled as simple mitre joint. Both my IJ and STTNG uses "lock mitre joints". See below for more info on joints.

Material

All components should be made of 3/4" thick birch playwood.

Cabinet Joints

There are several ways to make the cabinet joints. The original way it was done in WPC cabinets is to use "lock mitre joints" but they require a special routing bit. Newer cabinets like my Stren LOTR uses a simpler joint. Another option is to just make butt joints without any angles, just make sure to adjust the measurements accordingly.

Below is a picuture of a lock mitre joint:

Lock Mitre Joint

About lock mitre joints, see this image from this thread. Also see this image from this page. And this page has some more information.

Backbox Joints

The backbox joints should be according to the model.

Components

Cabinet Left/Right Side

Cut Tool Description
Main Height 23-1/2"
Main Width 51-1/2"
Main Slope Saw Front height 15-5/8. Start 7-1/8" from back.
Flipper button 1-1/8" Drill 5/16" deep from outside.
Flipper button 1-1/8" Drill 3/16" deep from inside.
Flipper button 5/8" Drill
Backbox hinge 1/2" Drill 20" from bottom, 1-1/2" from back.
Glass channel 3/32" slot cutter 3/8" deep along the slope.
Leg Bolt From 3/8" drill Two holes, 2 1/4 apart, in 45 degree angle.
Leg Bolt Back 3/8" drill Two holes, 2 1/4 apart, in 45 degree angle.
Bottom joint 3/4" router 1/4" deep. 3/8" from bottom.

Cabinet Front

Cut Tool Description
Main Height 15-3/4" / 15-5/8" Bevel cut 10 degrees. Outside height 15-5/8".
Main Width 22"
Bevel top Saw Cut to outside height 15-5/8".
Start button 1-3/8" drill 1/2" deep from outside.
Start button 1" drill
Coindoor 1/4" router Rectangular, 12-1/4" width, 10-13/32" height.
Coindoor 9/32" drill Two holes centered on left/right edge, width 12-7/8 between centers.
Coindoor 9/32" drill Two holes, centered on top/bottom edge, height 11-1/32" between centers.
Lockdown bar 9/32" drill Center 14-3/8" from bottom, 4" from right edge.
Lockdown bar 9/32" drill Center 14-3/8" from bottom, 1-13/16 from left edge.
Plunger 3/4" drill One hole.
Plunger 3/8" drill Three holes.
Plunger 3/8" router Cut between the holes.
Leg Bolt Left 3/8" drill Two holes, 2 1/4 apart, in 45 degree angle.
Leg Bolt Right 3/8" drill Two holes, 2 1/4 apart, in 45 degree angle.
Bottom joint 3/4" router 1/4" deep. 3/8" from bottom.

Cabinet Back

Cut Tool Description
Main Height 23-1/2"
Main Width 22"
Vent #1 1" Drill Two holes.
Vent #1 Router Rectangular width 6", height 2".
Vent #2 1" Drill Two holes.
Vent #2 Router Rectangular width 6", height 2".
Power cord 2-1/2 Drill
Power cord 5-1/16 Drill Four holes.
Leg Bolt Left 3/8" drill Two holes, 2 1/4 apart, in 45 degree angle.
Leg Bolt Right 3/8" drill Two holes, 2 1/4 apart, in 45 degree angle.
Bottom joint 3/4" router 1/4" deep. 3/8" from bottom.

Cabinet Top

Cut Tool Description
Main Height 7-1/8" / 7" Bevel cut 10 degrees. Inner height 7".
Main Width 22"
Backbox cables 1/4" Router Rectangular width 8-1/8", height 3-1/8".
Backbox nut #1 15/32" Drill
Backbox nut #2 15/32" Drill
Left joint >=3/4" Router 3/8 deep from bottom.
Right joint >=3/4" Router 3/8 deep from bottom.

Cabinet Bottom

Cut Tool Description
Main Height 50-1/2"
Main Width 21"
Speaker 5-1/2 hole saw
Vent #1 1-1/2" drill
Vent #2 1-1/2" drill
On/Off switch 1/4" Router Rectangular width 2-1/4", height 1-1/8".

Backbox Left/Right Side

Cut Tool Description
Main Height 28-1/2"
Main Width 9-7/8"
Main Slope Saw Botttom width 6-3/8".
Bottom bracket 1/4" Drill Two holes, 2-1/2" apart.
Top bracket 1/4" Drill Two holes, 3" apart.
Top joint 3/8" Router 3/8" from top. 3/8" deep.
Bottom joint 3/8" Router 3/8" from bottom. 3/8" deep.
Back joint >=3/4" Router 3/8" from back. 3/8" deep.

Backbox Back

Cut Tool Description
Main Height 28-1/8"
Main Width 28"
Vent 1-1/2 Drill Seven holes, 2-1/2 between centers.

Backbox Top

Cut Tool Description
Main Height 9-7/8"
Main Width 28" Front bevel cut 7 degrees.
Left joint >=3/4" Router 3/8" from top. 3/8" deep.
Right joint >=3/4" Router 3/8" from top. 3/8" deep.
Back joint >=3/4" Router 3/8" from bottom. 3/8" deep.
Left bracket 1/4" Drill Two holes, 2" apart. 1-1/2" from back.
Right bracket 1/4" Drill Two holes, 2" apart. 1-1/2" from back.

Backbox Bottom

Cut Tool Description
Main Height 5-23/32" Front bevel cut 7 degrees. Bottom height 5-5/8".
Main Width 28"
Left joint >=3/4" Router 3/8" from bottom. 3/8" deep.
Right joint >=3/4" Router 3/8" from bottom. 3/8" deep.
Backbox nut #1 1" Drill
Backbox nut #2 1" Drill
Backbox cables 1/4" Router Rectangular width 11-1/2", height 3-1/4".
Left hinge bracket 1/4" Drill Three holes, 1-3/4" apart. 1/2" from back.
Right hinge bracket 1/4" Drill Three holes, 1-3/4" apart. 1/2" from back.

References

The files from these references are avaialble in the references folder.

Mameman pinball plans.

Some nice CAD drawings in this thread.

Plunger drilling template.

Buttons hole drilling.

Playfield rear plastic trim.

Glass channel tools.

Coin door measurements.