---------- Forwarded message ----------
From: "André Lefranc" a.lefranc@laposte.net
To: OpenSCAD general discussion Discuss@lists.openscad.org
Cc:
Bcc:
Date: Thu, 28 Oct 2021 09:55:48 +0200
Subject: [OpenSCAD] mistake

hello, I don't understand where is the mystake .

on my computer this file make an white circle ... the mystake is in
module "affichage"

My apologise for my porr english language.

for your information it's a design for ETX 125 telescope.

DiamOTA =127;
visserie ="Y";//[Y: Présentation visserie fixation, N: pas d'affichage]
VueGenerale ="Y";//[Y: Présentation générale , N: pas d'affichage]
reparation ="Y"; //[Y: Présentation réparation , N: pas d'affichage]
// écartement
dec=1;//[1:5:30]
module tube ()
{
color ("Purple")
translate ([0,DiamOTA/2,0])
cylinder (r=DiamOTA/2, h=DiamOTA2,$fn=60);
// couvercle aliminium du tube
color ("Azure")
translate ([0,DiamOTA/2,1+DiamOTA2])
cylinder (r=DiamOTA/2, h=3,$fn=60);
}
//end of tube ();
module  coqueBras ()
{
color ("LightBlue")
minkowski ()
{
$fn=120;
union ()
{
translate ([0,8,75        ])
cube ([50-10,30,70], center=true);
translate ([0,8,105        ])
rotate ([90,0,0])
cylinder (r=DiamOTA/5, h=50,$fn=120,center=true);
}
sphere (5);
}
}

                                             //ContreCoqueBras ();

module  ContreCoqueBras ()
{
color ("SkyBlue")
union ()
{
translate ([0,8,75        ])
cube ([50-4,30,75], center=true);
translate ([0,-1,105        ])
rotate ([90,0,0])
cylinder (r=(DiamOTA/5)+3, h=35,$fn=120,center=true);
}
}

module affichage ()
{difference ()
{
coqueBras ();
union ()
{
ContreCoqueBras ();
alesage () ;
tube();
}

             }

difference () {
color ("red")
ContreAlesage ();
alesage () ;

                 }

if (VueGenerale =="Y")
{
translate ([0,DiamOTA,0])
rotate ([0,0,180])
mirror ([1,0,0])
{
difference ()
{
coqueBras ();
union ()
{
ContreCoqueBras ();
alesage () ;
tube();
}
}
difference ()
{
color ("red")
ContreAlesage ();
alesage () ;
}
}
tube ();
}
}
affichage () ;

---------- Forwarded message ----------
From: "André Lefranc via Discuss" discuss@lists.openscad.org
To: OpenSCAD general discussion Discuss@lists.openscad.org
Cc: "André Lefranc" a.lefranc@laposte.net
Bcc:
Date: Thu, 28 Oct 2021 09:55:48 +0200
Subject: [OpenSCAD] mistake

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 there was no definition for ContreAlesage() and alesage(). So I
 commented this out.

 Then I found that you drive "minkowski()", with $fn=120 which is
 pretty much (regarding the extremely expensive algorithm). I got
 initially (on macOS) a never ending spinning ball. I reduced it
 to $fn=20 and then it (attached) worked like that:


 Am Do., 28. Okt. 2021 um 09:56 Uhr schrieb André Lefranc via
 Discuss <discuss@lists.openscad.org>:




     ---------- Forwarded message ----------
     From: "André Lefranc" <a.lefranc@laposte.net>
     To: OpenSCAD general discussion <Discuss@lists.openscad.org>
     Cc:
     Bcc:
     Date: Thu, 28 Oct 2021 09:55:48 +0200
     Subject: [OpenSCAD] mistake

     /hello, I don't understand where is the mystake ./

     /on my computer this file make an white circle ...
     the mystake is in module "*affichage*"/

     /My apologise for my porr english language./

     /for your information it's a design for ETX 125 telescope./

     DiamOTA =127;
     visserie ="Y";//[Y: Présentation visserie fixation, N: pas
     d'affichage]
     VueGenerale ="Y";//[Y: Présentation générale , N: pas
     d'affichage]
     reparation ="Y"; //[Y: Présentation réparation , N: pas
     d'affichage]
     // écartement
     dec=1;//[1:5:30]
     module tube ()
     {
             color ("Purple")
     translate ([0,DiamOTA/2,0])
     cylinder (r=DiamOTA/2, h=DiamOTA*2,$fn=60);
     // couvercle aliminium du tube
         color ("Azure")
     translate ([0,DiamOTA/2,1+DiamOTA*2])
     cylinder (r=DiamOTA/2, h=3,$fn=60);
     }
             //end of tube ();
      module  coqueBras ()
     {
         color ("LightBlue")
         minkowski ()
             {
             $fn=120;
             union ()
                                 {
             translate ([0,8,75        ])
             cube ([50-10,30,70], center=true);
             translate ([0,8,105        ])
             rotate ([90,0,0])
         cylinder (r=DiamOTA/5, h=50,$fn=120,center=true);
                                 }
             sphere (5);
             }
     }

     //ContreCoqueBras ();
     module  ContreCoqueBras ()
     {
     color ("SkyBlue")
                 union ()
             {
             translate ([0,8,75        ])
             cube ([50-4,30,75], center=true);
             translate ([0,-1,105        ])
             rotate ([90,0,0])
         cylinder (r=(DiamOTA/5)+3, h=35,$fn=120,center=true);
             }
     }


     module affichage ()
     {difference ()
                 {
         coqueBras ();
         union ()
                 {
         ContreCoqueBras ();
         alesage () ;
         tube();
                 }

                     }
     difference () {
     color ("red")
             ContreAlesage ();
             alesage () ;

                         }
     if (VueGenerale =="Y")
         {
     translate ([0,DiamOTA,0])
     rotate ([0,0,180])
     mirror ([1,0,0])
             {
         difference ()
                                     {
         coqueBras ();
         union ()
                             {
             ContreCoqueBras ();
         alesage () ;
         tube();
                             }
                                     }
         difference ()
                         {
                 color ("red")
                 ContreAlesage ();
                 alesage () ;
                         }
             }
             tube ();
         }
     }
     affichage () ;




     ---------- Forwarded message ----------
     From: "André Lefranc via Discuss" <discuss@lists.openscad.org>
     To: OpenSCAD general discussion <Discuss@lists.openscad.org>
     Cc: "André Lefranc" <a.lefranc@laposte.net>
     Bcc:
     Date: Thu, 28 Oct 2021 09:55:48 +0200
     Subject: [OpenSCAD] mistake
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