Open_[]_Peg is the modular system used here at GameScape3D.

  • Our system assists in creating tall, large structures.
  • This free Open_[]_ Peg download includes peg and bool tools will that will allow you to “kit mash” any models in which floors, wall, and roof are separated.
  • Includes simple STL and 2D DFX tool for alignment
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First off, Open_[]_Peg is NOT a dungeon tile system.

Open_[]_Peg is the modular system used here at GameScape3D to expand build diversity within and between our digital kits. Our system assists in creating tall, large structures. For example, you can use it for towering city buildings or gravity defying towers.

This free Open_[]_ Peg download includes peg and bool tools will that will allow you to “kit mash” any models that require you to 3d Print floors, wall, and roof separately. These alterations can be preformed with very modest modeling abilities using free simple software like Meshmixer.


Open Peg Basic Foundation. This system is founded on“Keep it Simple, Stupid”. It is intended for stacking situations where dungeon clip systems would be unpleasant, visually or otherwise.


The principle component of the open peg stacking system that can be applied to most many built systems involves a Boolean operation that results in creating to 2 small female End squares on the bottom of a part so that a peg design can be attached to the bottom to provide stacking stability. The peg slots should be placed in the center of a model. Typically, they should be inserted into whatever part constitutes the “Floor.”



NOTE:GameSpace3D models usually also have a floor component that is not involved when applying this system to tradition dungeon clip wall systems like Dragon Bite or OpenLOCK.


In order for the pegs to “bite,” the Boolean operation should be made as deep as possible but generally requires at least 3MM. The Open Peg slots are small enough that your printer can bridge the gap without affecting the topside details.

This applies to Z axis orientated model printing as well.



The plug should be roughly the size of the floor area with whatever tolerance adjustment is needed to clear the inside of the walls. There are only two requirements and one advisement.

  • Open Peg holes must align to the holes created in the principle model.
  • I advise the plug be made 5mm, though thinner dimensions are possible.
  • Make sure you create some kind of grid form in the design for structural strength.



Attached you will find the basic open peg geometry that I use and the pegs as well, both 2d and 3d. I have also included a set of OpenLOCK blanks with the plugs I designed for them so you can get an idea of how this applies to a non GameScape3D system.


Advanced operations

Levels can be stacked to a various offsets without much difficulty. However this generally requires offsetting the open peg Boolean on the plug. If the stacking levels are not the same size/shape than you will need to make a custom shape plug as well. More OpenPeg slots and designs may be needed to fill various gaps created by the offset. Generally speaking you are on your own at this point.



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