Various toothbrush stand designs for Oral-B electric toothbrush brush heads: -hol (hollow) -vierkant (square) -bol (half circle) -schuin (chamfered) -schuinrond (chamfered-rounded) The FreeCAD source file is included. -In FreeCAD the number of pins can be modified by changing the "Array-staaf" object parameter "Number X". The array is shared between the different models and is therefore found only under one model. -The width of each model can then be adjusted with increments of 20 mm by changing the "Cube-basis-" object parameter "Length". -Show only the model that you want to print and Hide the other models (Toggle visibility with the spacebar). -File > Export... the model to .STL or any other format you need to export you adjusted model.