CircularKnitic Parametric: Difference between revisions

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  </nowiki>
  </nowiki>


==CKp4.scad===
==CKp4.scad==


  <nowiki>
  <nowiki>
include <CKvars.scad>;
include <CKvars.scad>;


CKp3();
CKp4();


module CKp3(){
module CKp4(){
      
      
     rez=360/p2number*2*2;
     rez=360/p2number*2*2;
Line 332: Line 332:
              
              
             //ramps
             //ramps
            difference(){
            union(){
            translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC1/2)])
            rotate([90,0,0])
            #cylinder(h=p4rampW,d=p4rampC1);
              
              
            intersection(){
            translate([-10,0,3.82])
            translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC2/2)])
            rotate([90,0,0])
            #cylinder(h=p4rampW,d=p4rampC2);
               
                            translate([-7,0,-2.86/2])
            translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC2/2)])
            #cube([p4rampC2,p4rampC2,p4rampC2],center=true);
           
            }
        }//end union
       
                                    //translate([-p4rampC2/2,0,0])
            //translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC2/2)])
            //cube([p4rampC2,p4rampC2,p4rampC2],center=true);
       
       
    }//end ramps difference
             //claws
             //claws
              
              
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         rotate([0,0,(360/p2number/p2needles)-(360/p2number/p2needles*i)-(((360/p2number/p2needles))/2)]){
         rotate([0,0,(360/p2number/p2needles)-(360/p2number/p2needles*i)-(((360/p2number/p2needles))/2)]){
             translate([-p4baseOD/2,-p4clawW/2,0])
             translate([-p4baseOD/2,-p4clawW/2,0])
             #cube([(p4baseOD-p4baseID)/2,p4clawW,p4baseH]);
             cube([(p4baseOD-p4baseID)/2,p4clawW,p4baseH]);
         }
         }
     }//end for
     }//end for

Revision as of 03:48, 17 February 2018

Goal: Replicate CircularKnitic's designs with OpenScad to allow for larger machines to be built


Code

CKvars.scad




needleWidth=1.8;
p2needlegrooveID=274.4;
p2needlegrooveDepth=2.8;
p2H=104;
p2W=4.8;
p2ID=270;
p2OD=p2ID+(p2W*2);
p2holeH=75;
p2holeD=2;
p2holeCSD=4.01726;
p2holeCSL=1.5;
p2number=12; //number of sections around circle
p2needles=5; //needles mounted on each p2

p3wiggle=0.1;
p3number=4;
p3baseH=3;
p3baseID=p2ID-20-(p3wiggle*2);
p3baseOD=p2OD+20+(p3wiggle*2);
p3baseholefromODID=3;
p3baseholeD=3;
p3baseholenumber=4;
p3ridgeW1=3;
p3ridgeW2=5;
p3ridgeH=5;
p3wallW=3;
p3wallchamfW=2;
p3wallchamfH=3;
p3wallHaboveholesc=5;
p3grooveH1=18;
p3grooveH2=73;
p3grooveW=2.2;


p4number=4;
p4rampW=4;
p4rampH=14.57;
p4rampfromID=2.5;
p4rampoverhang=2;
p4rampfromOD=1.34;
p4rampC1=10;
p4rampC2=40;
p4rampC2transX=10;
p4rampC2transZ=3.82;
p4baseH=11;
p4basegapH=8;
p4baseW=11.2;
p4basegapW=5.09;
p4clawW=9;
p4holesnumber=3;


//calculations

centerlineD=p2ID+(p2W+(p3wiggle*2));

p4baseOD=centerlineD+p4baseW;
p4baseID=centerlineD-p4baseW;
p4basegapOD=centerlineD+p4basegapW;
p4basegapID=centerlineD-p4basegapW;

firstcenter=(((((360/p2number/p2needles/2)/360*(p2OD*PI))-(needleWidth/2))/((360/p2number/p2needles/2)/360*(p2OD*PI)))*(360/p2number/p2needles/2))/2;

p3wallH=p3wallHaboveholesc+p2holeH+p3baseH;

CKp2.scad

CKp2.png 

include <CKvars.scad>;

CKp2();

module CKp2(){
    
    rez=360/p2number*2*2;
    
    $fn=rez; //defines resolution of circles.

    
    translate([p2OD/2,0,0]){
    difference(){    
    cylinder(h=p2H,d=p2OD);
    cylinder(h=p2H,d=p2ID);
    translate([-p2OD/2,-p2OD/2,0]){    
    cube([p2OD,p2OD/2,p2H]);
    }
    rotate([0,0,-360/p2number]){
    translate([-p2OD/2,0,0])    
    cube([p2OD,p2OD/2,p2H]);        
    }
    for(i=[1:p2needles]){
        rotate([0,0,(360/p2number/p2needles/2)-(360/p2number/p2needles*i)]){
        translate([-p2OD/2-0.2,-needleWidth/2,0])
   cube([p2needlegrooveDepth+0.2,needleWidth,p2H]);
        }
    }

        rotate([0,0,-360/p2number/p2needles]){
        translate([-p2OD/2-0.2,0,p2holeH])
            rotate([0,90,0]){
union(){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
                   translate([0,0,((p2OD-p2ID)/2)-p2holeCSL]){ 
   cylinder(h=p2holeCSL+2, d=p2holeCSD); 
                   }
                }  //end union
            }
        }
                
        rotate([0,0,-360/p2number/p2needles*(p2needles-1)]){
        translate([-p2OD/2-0.2,0,p2holeH])
            rotate([0,90,0]){
union(){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
                   translate([0,0,((p2OD-p2ID)/2)-p2holeCSL]){ 
   cylinder(h=p2holeCSL+2, d=p2holeCSD); 
                   }
                }  //end union
            }
        }           

echo(((((360/p2number/p2needles/2)/360*(p2OD*PI))-(needleWidth/2))/((360/p2number/p2needles/2)/360*(p2OD*PI)))*(360/p2number/p2needles/2));
        
firstcenter=(((((360/p2number/p2needles/2)/360*(p2OD*PI))-(needleWidth/2))/((360/p2number/p2needles/2)/360*(p2OD*PI)))*(360/p2number/p2needles/2))/2;        

        rotate([0,0,-firstcenter]){
        translate([-p2OD/2-0.2,0,p2holeH])
            rotate([0,90,0]){
                union(){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
                   translate([0,0,((p2OD-p2ID)/2)-p2holeCSL]){ 
   cylinder(h=p2holeCSL+2, d=p2holeCSD); 
                   }
                }  //end union
            }
        } 
        
        rotate([0,0,-360/p2number+firstcenter]){
        translate([-p2OD/2-0.2,0,p2holeH])
            rotate([0,90,0]){
union(){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
                   translate([0,0,((p2OD-p2ID)/2)-p2holeCSL]){ 
   cylinder(h=p2holeCSL+2, d=p2holeCSD); 
                   }
                }  //end union
            }
        } 
        
        
        
    }
}
    
    
} //end module

CKp3.scad

CKp3.png 



include <CKvars.scad>;

CKp3();

module CKp3(){
    
    rez=360/p2number*2*2;
    
    $fn=rez; //defines resolution of circles.

    centerlineD=p2ID+(p2W+(p3wiggle*2));
    
    
    echo(centerlineD); 
    
    
    translate([p3baseOD/2,0,0]){
        
    
    difference(){  
        union(){
    cylinder(h=p3baseH,d=p3baseOD);
        
            difference(){
                    cylinder(h=p3ridgeH+p3baseH,d=centerlineD-((p2W+(p3wiggle*2)/2)));
                translate([0,0,p3baseH])
                cylinder(h=p3ridgeH,d1=centerlineD-(p3ridgeW2*2)-((p2W+(p3wiggle*2)/2)),d2=centerlineD-(p3ridgeW1*2)-((p2W+(p3wiggle*2)/2)));
                
            }
            
                        difference(){
                                            translate([0,0,p3baseH])
                       cylinder(h=p3wallchamfH,d1=centerlineD+((p3wallchamfW+p3wallW)*2)+((p2W+(p3wiggle*2)/2)),d2=centerlineD+(p3wallW*2)+((p2W+(p3wiggle*2)/2)));
                    cylinder(h=p3wallchamfH+p3baseH,d=centerlineD+((p2W+(p3wiggle*2)/2)));

 
                
            }
            
                                    difference(){
                                            
                       cylinder(h=p3wallH,d=centerlineD+(p3wallW*2)+((p2W+(p3wiggle*2)/2)));
                    cylinder(h=p3wallH,d=centerlineD+((p2W+(p3wiggle*2)/2)));

 
                
            }
            
            
        } //end main union
    cylinder(h=p3wallH,d=p3baseID);
    translate([-p3baseOD/2,-p3baseOD/2,0]){    
    cube([p3baseOD,p3baseOD/2,p3wallH]);
    }
    rotate([0,0,-360/p3number]){
    translate([-p3baseOD/2,0,0])    
    cube([p3baseOD,p3baseOD/2,p3wallH]);        
    }

        //slots
    
        for(i=[1:p2needles*(p2number/p3number)]){
        rotate([0,0,(360/p2number/p2needles/2)-(360/p2number/p2needles*i)]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,-p3grooveW/2,p3grooveH1])
   cube([p3wallW+0.2,p3grooveW,p3grooveH2-p3grooveH1]);
        }
    }
    
    //base holes
    
        for(i=[1:p3baseholenumber]){
        rotate([0,0,(((360/p3number/p3baseholenumber))/2)-((360/p3number/p3baseholenumber)*i)]){
        translate([-(p3baseID/2)-p3baseholefromODID,0,0])
   #cylinder(h=p3baseH,d=p3baseholeD);
        }
    }

        for(i=[1:p3baseholenumber]){
        rotate([0,0,(((360/p3number/p3baseholenumber))/2)-((360/p3number/p3baseholenumber)*i)]){
        translate([-(p3baseOD/2)+p3baseholefromODID,0,0])
   #cylinder(h=p3baseH,d=p3baseholeD);
        }
    }    
    
  //first and last holes

        rotate([0,0,-firstcenter]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){

   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        } 
        
        rotate([0,0,-(360/p2number*(p3number-1))+firstcenter]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){

   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        } 
    
    //middle holes
    
        for(i=[0:(p2number/p3number)-1]){
         rotate([0,0,(-360/p2number/p2needles)+(i*-360/p2number)]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        }       
    } //end for
        
        for(i=[0:(p2number/p3number)-1]){
                rotate([0,0,(-360/p2number/p2needles*(p2needles-1))+(i*-360/p2number)]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        } 
    }//end for
        
        //end middle holes
        
    }
}
    
    
} //end module

CKp4.scad

include <CKvars.scad>;

CKp4();

module CKp4(){
    
    rez=360/p2number*2*2;
    
    $fn=rez; //defines resolution of circles.
       
    translate([p4baseOD/2,0,0]){
        
    difference(){  
        union(){
    cylinder(h=p4baseH,d=p4baseOD-(p4basegapW*2)-((p4baseW-p4basegapW)/2*2));            
            
            //ramps
            difference(){
            union(){
            translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC1/2)])
            rotate([90,0,0])
            #cylinder(h=p4rampW,d=p4rampC1);
            
            intersection(){
            translate([-10,0,3.82])
            translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC2/2)])
            rotate([90,0,0])
            #cylinder(h=p4rampW,d=p4rampC2);
                
                            translate([-7,0,-2.86/2])
            translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC2/2)])
            #cube([p4rampC2,p4rampC2,p4rampC2],center=true);
            
            }
        }//end union
        
                                    //translate([-p4rampC2/2,0,0])
            //translate([-p4baseOD/2+p4rampfromOD,p4rampW/2,p4rampH+p4baseH-(p4rampC2/2)])
            //cube([p4rampC2,p4rampC2,p4rampC2],center=true);
        
        
    }//end ramps difference
            //claws
            
        for(i=[1:p2needles*(p2number/p4number)]){
        rotate([0,0,(360/p2number/p2needles)-(360/p2number/p2needles*i)-(((360/p2number/p2needles))/2)]){
            translate([-p4baseOD/2,-p4clawW/2,0])
            cube([(p4baseOD-p4baseID)/2,p4clawW,p4baseH]);
        }
    }//end for
            
        } //end main union
    cylinder(h=p4baseH,d=p4baseID);
    translate([-p4baseOD/2,-p4baseOD/2,0]){    
    cube([p4baseOD,p4baseOD/2,p4baseH]);
    }
    rotate([0,0,-360/p4number]){
    translate([-p4baseOD/2,0,0])    
    cube([p4baseOD,p4baseOD/2,p4baseH]);        
    }

difference(){
    cylinder(h=p4basegapH,d=p4basegapOD);  
    cylinder(h=p4basegapH,d=p4basegapID);    
}


        //slots
    
        for(i=[1:p2needles*(p2number/p3number)]){
        rotate([0,0,(360/p2number/p2needles/2)-(360/p2number/p2needles*i)]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,-p3grooveW/2,p3grooveH1])
   cube([p3wallW+0.2,p3grooveW,p3grooveH2-p3grooveH1]);
        }
    }
  //first and last holes

        rotate([0,0,-firstcenter]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){

   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        } 
        
        rotate([0,0,-(360/p2number*(p3number-1))+firstcenter]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){

   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        } 
    
    //middle holes
    
        for(i=[0:(p2number/p3number)-1]){
         rotate([0,0,(-360/p2number/p2needles)+(i*-360/p2number)]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        }       
    } //end for
        
        for(i=[0:(p2number/p3number)-1]){
                rotate([0,0,(-360/p2number/p2needles*(p2needles-1))+(i*-360/p2number)]){
        translate([((-centerlineD-(p3wallW*2)-((p2W+(p3wiggle*2)/2)))/2)-0.1,0,p2holeH+p3baseH])
            rotate([0,90,0]){
   cylinder(h=p2OD-p2ID+0.2, d=p2holeD);
            }
        } 
    }//end for
        
        //end middle holes
        
    }
}
    
    
} //end module

Original Files

Media:CircularKnitic.skp

github

Notes

  • all measurements in millimeters as used in original design
Retrieved from "https://wiki.opensourceecology.org/index.php?title=CircularKnitic_Parametric&oldid=166311"