I think image size depends on your email client. In gmail I get size options. On Wed, 12 May 2021 at 14:41, Terrypin via Discuss < discuss@lists.openscad.org> wrote: > > > > ---------- Forwarded message ---------- > From: Terrypin <T.pinnell@btinternet.com> > To: discuss@lists.openscad.org > Cc: > Bcc: > Date: Wed, 12 May 2021 06:03:20 -0700 (MST) > Subject: [OpenSCAD] Re: Merging sub-assemblies? > Here's my version based on hull with cylinders. I also used the exercise > to learn how to work with modules, so that I can make more of these in > future. > > > > // 'Dry box' for dual mains sockets > // Used 'hull with cylinders' method > // Dimensions: length = x = 143, width = y = 83, height = z = 25, roundness = r = 6, thickness = t = 3 to match existin top > > $fn = 48; // Have been using 50 but recently read somewhere that multiples of 4 are recommended? > > module round_edges_box(x,y,z,r) { > hull() { > translate([r,r,0]) > cylinder(h=z,r=r); > translate([x-r,r,0]) > cylinder(h=z,r=r); > translate([x-r,y-r,0]) > cylinder(h=z,r=r); > translate([r,y-r,0]) > cylinder(h=z,r=r); > } // End of hull > } // End of module round_edges_box > > // Different name for 'fully parametrised' version > > module rounded_edges_box(x,y,z,r,t) { > // Hollow the solid by subtracting the smaller (and translated) version below > difference(){ > round_edges_box(x,y,z,r); > translate([t,t,t]) // Moves smaller box out from origin > round_edges_box(x-(2*t),y-(2*t),(z+10),r); > } > } > rounded_edges_box(143,83,25,6,3); > > > The top for the box is shown here: > https://www.dropbox.com/s/m90ckyv7u5phnwa/DualMainsSockets-1.jpg?raw=1 > > I estimated the roundness, r, by finding an object that fitted a corner > neatly; this pad had a radius of about 3mm: > > > https://www.dropbox.com/s/n6zjhnv8d8r0019/RoundnessEstimate.jpg?dl=0httraw=1 > > P.S. I originally used 'Insert Image' for the two photos but preview > showed them at full size. Hence my reverting to links. How *should *images > be displayed in familiar thumbnail form, or limited to screen size for > reasonable viewing please? > > ------------------------------ > Sent from the OpenSCAD mailing list archive <http://forum.openscad.org/> > at Nabble.com. > > > > ---------- Forwarded message ---------- > From: Terrypin via Discuss <discuss@lists.openscad.org> > To: discuss@lists.openscad.org > Cc: Terrypin <T.pinnell@btinternet.com> > Bcc: > Date: Wed, 12 May 2021 06:03:20 -0700 (MST) > Subject: [OpenSCAD] Re: Merging sub-assemblies? > _______________________________________________ > OpenSCAD mailing list > To unsubscribe send an email to discuss-leave@lists.openscad.org >

Looks good. I normally make the inside radius equal to the outside radius minus the wall width to keep the wall thickness consistent round the corners. On Wed, 12 May 2021 at 14:58, nop head <nop.head@gmail.com> wrote: > I think image size depends on your email client. In gmail I get size > options. > > On Wed, 12 May 2021 at 14:41, Terrypin via Discuss < > discuss@lists.openscad.org> wrote: > >> >> >> >> ---------- Forwarded message ---------- >> From: Terrypin <T.pinnell@btinternet.com> >> To: discuss@lists.openscad.org >> Cc: >> Bcc: >> Date: Wed, 12 May 2021 06:03:20 -0700 (MST) >> Subject: [OpenSCAD] Re: Merging sub-assemblies? >> Here's my version based on hull with cylinders. I also used the exercise >> to learn how to work with modules, so that I can make more of these in >> future. >> >> >> >> // 'Dry box' for dual mains sockets >> // Used 'hull with cylinders' method >> // Dimensions: length = x = 143, width = y = 83, height = z = 25, roundness = r = 6, thickness = t = 3 to match existin top >> >> $fn = 48; // Have been using 50 but recently read somewhere that multiples of 4 are recommended? >> >> module round_edges_box(x,y,z,r) { >> hull() { >> translate([r,r,0]) >> cylinder(h=z,r=r); >> translate([x-r,r,0]) >> cylinder(h=z,r=r); >> translate([x-r,y-r,0]) >> cylinder(h=z,r=r); >> translate([r,y-r,0]) >> cylinder(h=z,r=r); >> } // End of hull >> } // End of module round_edges_box >> >> // Different name for 'fully parametrised' version >> >> module rounded_edges_box(x,y,z,r,t) { >> // Hollow the solid by subtracting the smaller (and translated) version below >> difference(){ >> round_edges_box(x,y,z,r); >> translate([t,t,t]) // Moves smaller box out from origin >> round_edges_box(x-(2*t),y-(2*t),(z+10),r); >> } >> } >> rounded_edges_box(143,83,25,6,3); >> >> >> The top for the box is shown here: >> https://www.dropbox.com/s/m90ckyv7u5phnwa/DualMainsSockets-1.jpg?raw=1 >> >> I estimated the roundness, r, by finding an object that fitted a corner >> neatly; this pad had a radius of about 3mm: >> >> >> https://www.dropbox.com/s/n6zjhnv8d8r0019/RoundnessEstimate.jpg?dl=0httraw=1 >> >> P.S. I originally used 'Insert Image' for the two photos but preview >> showed them at full size. Hence my reverting to links. How *should *images >> be displayed in familiar thumbnail form, or limited to screen size for >> reasonable viewing please? >> >> ------------------------------ >> Sent from the OpenSCAD mailing list archive <http://forum.openscad.org/> >> at Nabble.com. >> >> >> >> ---------- Forwarded message ---------- >> From: Terrypin via Discuss <discuss@lists.openscad.org> >> To: discuss@lists.openscad.org >> Cc: Terrypin <T.pinnell@btinternet.com> >> Bcc: >> Date: Wed, 12 May 2021 06:03:20 -0700 (MST) >> Subject: [OpenSCAD] Re: Merging sub-assemblies? >> _______________________________________________ >> OpenSCAD mailing list >> To unsubscribe send an email to discuss-leave@lists.openscad.org >> >

I'm viewing and composing exclusively via the web, no email. -- Sent from: http://forum.openscad.org/