wgross Posted October 30, 2008 Posted October 30, 2008 I have been working on this project almost all evening and I can’t seem to figure it out. I'm working on a logo for a company that includes a heart, they want the heart to appear with convex smooth edges, the best example I can give right now is like a heart shaped chocolate. Ultimately the logo will be CNCed out of Billet Aluminum and displayed behind their reception desk. Thanks in advance for any guidance. Quote
nocturne00 Posted October 30, 2008 Posted October 30, 2008 I have been working on this project almost all evening and I can’t seem to figure it out. I'm working on a logo for a company that includes a heart, they want the heart to appear with convex smooth edges, the best example I can give right now is like a heart shaped chocolate. Ultimately the logo will be CNCed out of Billet Aluminum and displayed behind their reception desk. Ok first off, i thought this would be easy. but I got to admit, this had me scratching my head a bit were you intending to make something like this? I made it by lofting cross sections Quote
wgross Posted October 30, 2008 Author Posted October 30, 2008 Thatis what im looking for mine will actually extrude straight up .25" and then like your drawing for another .75". Can you provide me some instructions on how exactly you lofted the sections, Sorry i just recently picked up 2009, Ive been out of the AutoCAD game for a while the last version i used was 2000. Thanks. Quote
shift1313 Posted October 31, 2008 Posted October 31, 2008 I believe he drew the two sides of the heart as if you were drawing it on a piece of paper, then that center line which is the center section of his loft and gives the thickness. The problem you are going to have is actually machining that. let me try to draw some thing. what program are you using for the NC stuff. Will that software recognize surfaces as well as solids. Quote
shift1313 Posted October 31, 2008 Posted October 31, 2008 here are a few ways you can do it. You can draw your heart 2d. make it a region or use pedit to close the polyline. extrude this your height of .75. then fillet the edge with radius .75. You could draw the heart, then draw a profile of your edge and loft it or extrude path. if you make the profile correctly and your heart is within a certain proportion you can get away with this without filling the center in. you can draw a 2d heart at z-0 plane. then draw a smaller one or copy then scale your heart down at a different z height. create a path you want your loft to follow(arc) and use loft. It really depends on what you need the final piece to look like. im using 05 so i cant show you loft or sweep(introduced in 07s toolbars) but here are a few quick drawings. this one is what your solid would look like before you fillet. You may need to address the sharp corner because doing a fillet may not work for you there. It filleted 1/2 of it fine for me but it really didnt like that transition, 09 may be better about it. http://i268.photobucket.com/albums/jj39/shift1313/cad/Drawing1-Model.jpg this drawing is what you would use for your loft. the two hearts will be your first and second cross section. then the single arc would be one guide(you will need more). or you can draw several heart cross sections and use them as multiple sections for your loft. http://i268.photobucket.com/albums/jj39/shift1313/cad/Drawing1-Model2.jpg Quote
nocturne00 Posted October 31, 2008 Posted October 31, 2008 Thatis what im looking for mine will actually extrude straight up .25" and then like your drawing for another .75". Can you provide me some instructions on how exactly you lofted the sections, Sorry i just recently picked up 2009, Ive been out of the AutoCAD game for a while the last version i used was 2000. Thanks. Here a sort of step by step. I actually just made cross sections of the shape, scaled them, set them on different elevations and then LOFT the cross sections. for the last section for the sort of apex i place a very small circle as the last section to sort of close the convex. Quote
nocturne00 Posted October 31, 2008 Posted October 31, 2008 You could also try the draft angles option if you want to toggle how the shapes will fit with each other. cheers Quote
wgross Posted October 31, 2008 Author Posted October 31, 2008 Awesome, I think i got it guys. Thanks for all of your help. Quote
nocturne00 Posted October 31, 2008 Posted October 31, 2008 No problem this is a model that I got to say its harder than it looks Quote
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