key-insert.json

{
    "parameterSets": {
        "White Key": {
            "Interlock_Depth": "0.5",
            "Interlock_Size": "1.5",
            "Lip_Depth": "0",
            "Lip_Size": "2",
            "Metal_Thickness": "1.4",
            "Total_Size": "20",
            "Total_Thickness": "5.5",
            "Wall_Fill": "4",
            "Wall_Padding": "1.7",
            "Wall_Stop": "7.5",
            "Wall_Thickness": "2.4"
        },
        "Black Key": {
            "Interlock_Depth": "0.5",
            "Interlock_Size": "4",
            "Lip_Depth": "3.5",
            "Lip_Size": "2.5",
            "Metal_Thickness": "1.4",
            "Total_Size": "20",
            "Total_Thickness": "4.5",
            "Wall_Fill": "4",
            "Wall_Padding": "0",
            "Wall_Stop": "7.5",
            "Wall_Thickness": "2.4"
        }
    },
    "fileFormatVersion": "1",
    "parameterSets": "",
    "parameterSets": ""
}

key-insert.scad

// Overall thickness of the part that is printed
Total_Thickness=4.5;

// Total length of the part
Total_Size = 20;

// Thickness of the rear wall
Wall_Thickness = 2.3;

// White key wall padding
Wall_Padding = 1.7;

// Amount of rear wall to press up against for stability
Wall_Stop = 8.1;

// Amount of rear wall to be replaced with new material
Wall_Fill = 4;

// Thickness of the metal mounting plate
Metal_Thickness = 1.4;

// Depth of the interlock to position part in key
Interlock_Depth = 0.5;

// Length of the interlock part (1.9=white)
Interlock_Size = 1.9;

// Depth of the lip on the black key interlock
Lip_Depth = 0.1;

// Length of the lip slot
Lip_Size = 2.5;


module key_insert()
{

	Hook_Height=Wall_Thickness*2;
	Hook_Bite=Wall_Thickness;
	Interlock_Position = Hook_Bite+Wall_Thickness+Wall_Padding;
	points = [
	
		// Metal Crux Point
		[Wall_Thickness,Wall_Stop+Wall_Fill],
		[Wall_Thickness,Wall_Stop+Wall_Fill+Metal_Thickness],
		
		// Hook
		[0, Wall_Stop+Wall_Fill+Metal_Thickness+Hook_Height/2],
		[0,Wall_Stop+Wall_Fill+Metal_Thickness+Hook_Height],
		[Hook_Bite+Wall_Thickness+Wall_Padding, Wall_Stop+Wall_Fill+Metal_Thickness+Hook_Height],
		[Hook_Bite+Wall_Thickness+Wall_Padding, Wall_Stop+Wall_Fill],

		// Part Mass
		[Total_Size,0],

		// Black Key Lip
		[Hook_Bite+Wall_Thickness+Wall_Padding+Interlock_Size+Lip_Size,0],
		[Hook_Bite+Wall_Thickness+Wall_Padding+Interlock_Size+Lip_Size,Lip_Depth],
		[Hook_Bite+Wall_Thickness+Wall_Padding+Interlock_Size,Lip_Depth],
		[Hook_Bite+Wall_Thickness+Wall_Padding+Interlock_Size,0],


		// Interlock Peg
		[Interlock_Position+Interlock_Size,0],
		[Interlock_Position+Interlock_Size,-Interlock_Depth],
		[Interlock_Position,-Interlock_Depth],
		[Interlock_Position,0],
		
		
		// Wall
		[Hook_Bite+Wall_Thickness+Wall_Padding,Wall_Stop-Wall_Thickness],
		[Hook_Bite+Wall_Padding,Wall_Stop],
		[Hook_Bite,Wall_Stop],
	];

	linear_extrude(Total_Thickness)
	polygon(points);

}

key_insert();