/* 

Originally by ThatDude7Piglets is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.

https://www.thingiverse.com/thing:6072539

Additions:
  * optional foot
  * separate thickness for other corner (e.g., when not a filter)
*/

/* [Filter] */
filterThiccness = 100.0; //mm
filterYThickness = 100.0; //mm

/* [Piece] */
//Length, width, height. Size of the piece including the wall thiccness
pieceDimensions = [150, 150, 25];
pieceWallThiccness = 1.2; //mm
bottomThiccness = 1.0; //mm
mirrored = false;
insideCornerStyle = 2; //[0:Cut Corner, 1:Don't cut corner, 2:Rounded corner]

/* [OpenSCAD] [Settings] */
$fn = 100;

/* [Foot] */
footEnable = 0; //[0:Disable, 1:Enable]
footShape = 0; //[0:Cylinder, 1:Square]
footDepth = 10; //mm
footWidth = 54; //mm
footInset = 0; //mm

module filter(filterDimensions = [100, 1000, 1000]){
	cube(filterDimensions);
}

mirror([mirrored? 1 : 0, 0, 0]){
	difference(){
		translate([-pieceWallThiccness, -pieceWallThiccness, -bottomThiccness]){
			cube(pieceDimensions);
		}
		#filter([filterThiccness, 1000, 1000]);
		#translate([filterYThickness + pieceWallThiccness, filterYThickness, 0]){
			rotate([0, 0, -90]){
				filter([filterYThickness, 1000, 1000]);
			}
		}
		//Corner cutter
		if(insideCornerStyle == 0){
			translate([filterThiccness + pieceWallThiccness, filterThiccness + pieceWallThiccness, -bottomThiccness]){
				cube(pieceDimensions);
			}
		}else if(insideCornerStyle == 1){
			//nothing lol
		}else if(insideCornerStyle == 2){
			radius = pieceDimensions.x - (filterThiccness + pieceWallThiccness);
			#translate([pieceDimensions.x, pieceDimensions.y, -bottomThiccness]){
				cylinder(r=radius, h=pieceDimensions.z);
			}
		}
	}
    
    if(footEnable == 1) {
        translate([pieceDimensions[0]/2 - footInset, pieceDimensions[1]/2 - footInset, -footDepth/2 - pieceWallThiccness]) {
            if (footShape == 0) {
                cylinder(footDepth, footWidth, footWidth, center=true);
            }
            else {
                cube([footWidth*2, footWidth*2, footDepth], center=true);
            }
        }
    }
}