Project 2 Step 2

Step 2

In this section I am going to make the vectors for the diamonds. I will make the first stone at 2.0mm then offset that stone larger by .15mm. I offset the stone because we need a tolerance for stone size variations  and to make sure they do not touch each other when setting the finished ring. It also serves as a guide to align adjacent stones. I  then select both circles by holding down the shift key and clicking each one till highlighted and then copy and paste a second set of circles. Using the left arrow key and the zoom button I then align the outside circles to each other. By selecting both sets of these now aligned circles and hitting the F9 key I will accurately center the pair. I do this because we have an even number of stones and therefore there is no stone centered in the ring. 

I then continue to create each stone one at a time, offset the .15mm and align them up until all required stones are completed. I will only do half the ring because I will mirror the rest of the design later. 

Stone Vectors

 Stone Vectors Video

Project 2 Ladies Milligrain Wedd Set

Step One

In this design I am going to make a milligrain engagement ring with a matching wedding band. The engagement ring has ten tapered diamonds with five on each side of the center stone. It is designed to hold a peg head for the center diamond. The wedding band has 12 tapered diamonds. All diamonds are bead or micro pave set with a shadow box. I am going to design the wedding band first and then duplicate and edit the model to create the engagement ring. The milligrain beads are designed to be large and spaced so that during the milling process they are cut without distortion. Here are the specifications for the project.

Finger size is 6
Wedd Band Diamonds are:
4 at 2.0mm; 2 at 1.8mm; 2 at 1.7mm; 2 at 1.5mm; 2 at 1.3mm
Engagement Ring Diamonds are:
2 at 2.0mm; 2 at 1.8mm; 2 at 1.7mm; 2 at 1.5mm; 2 at 1.3mm

I am going to create a new project after opening ArtCam Jewelsmith and then click on models. I will select the tapered square from the shank library and select size 6. I will input the following values in the boxes. I picked these values by comparing other similar ring styles. The 4.5mm Top Width and the 3.0mm Top Thickness are clearly the most important choices.

I am then going to edit the cross sections by straightening the sides and adding a little half round shape to the top of each. I do this by creating a rectangle that will serve as a guide. The values I chose for the guides were because I liked the flow and for no other reason. I will then rebuild the ring blank. I will then edit the profile curve to bring in the sides of the ring that fits between the fingers. This should be about 1.8mm for comfort on the hand. After editing the profile section I reset the relief and resweep the ring to create the final ring blank that I will use to place the diamonds and milligrain beads on. Lets see the video for the ring blanking process.

Creating the Ring Blank Video