Sorry for the NOOB question. I have a design i am working on. i have 2 through holes and need a countersink with 82 degree bevel for the screw. I have the through hole .120 and i need the countersink to go .030 from the bottom on a .260 thick part hole size (to accomadate the head diameter) of .270…

One approach is to create two circles, one representing the base of the countersink and one representing the top of the countersink. Loft between circles. If you need a solid use PlanarSrf.

than you i will try that. i am not very good with cad. i am trying to learn i have heard rhino is very good so i have been trying it. I thank you for the help i hope i can get it. oh just so everyone knows i was not trying to get someone to do it for me i was just trying to be concise with what i …

i made a truncated cone and put it in the hole making the countersink. i cant get it to attach to the plane and remove the material for the screw any hints?

It is much easier to provide assistance if a .3dm file with the geometry is available. You can upload a .3dm file by dragging the file to where you type a post, or by clicking on the vertical arrow icon above where you type a post? How much experience do you have with CAD? How much experience do y…

very little with cad its been 20 years and only did minor stuff. Rhino hard at it about a week read through a lot of it but i am more hands on. parts for upload.3dm (120.3 KB) i have a wire frame where the solid goes made the truncated cones cant get them in and attached from the top down. ha…

Hi - I would suggest making the 2D profile of a hole with countersink by help of some construction lines and then use Revolve to create a solid that you can place where you need and subtract that from the main part. I couldn’t find a 82° angle on your cones so I’m probably not understanding the requ…

the blue part is a tube that need to go into the top face halfway for a rod to slide in and out of for alligment. the tube is what i am adding to the face just to remove some play the rod moves slow and has lots of play on both sides of the tube just trying to make it more consistanat. i will try t…

i made the cylinder for the battery i have tries all the different trims and wire cut. on trim it takes either the cylinder above the part or the part itself am i missing or miss using the commands

think i got the battery cut done

Screw head bevel and arc

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Screw head bevel and arc

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