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In this step we will model a handle. With Point command create a point on the back of the handle part we have. Position it in the center by using Cen OSnap option:
Now, lets go to Right viewport and create two circles using that point we just created as center. If you haven’t already turn on the Point OSnap option. Make one’s radius 2.2 units, and the others’ 2.7 units:
Using Line command, we will create a line anywhere in the Right viewport
Now, use Move command again on that line, and move it down by 0.35 units. Start Move command, select the line, input 0.35 in line command, press enter and move down. To move it perfectly straight down, use Ortho option in status bar:
First, select all circles and lines, and start Trim command. Start clicking on the parts we don’t need. The ones you don’t see in the picture below:
Extrude that closed curve by 0.75 units:
Using Offset command, offset the edge by 0.2 units:
Move that circle by 13 units left like the curve before:
Move that circle right by 0.1 units. Why? Because right now it is right on the same position like the ring surface, and when we extrude this circle, we will have two surfaces on the same place, and that will lead to some problems in the future when using booleans.
Offset the far left edge by 0.2 units towards inside:
With MakeHole command, create a hole using this circle through the handle:
Now, using FilletEdge command select the edges on the ring part, and fillet with 0.05 units as radius;
Using ExtractSrf command extract this surface:
Now, using Cen OSnap option, place two points with Point command in the center of both circle edges:
With Sphere command, create a sphere with its center in the Point, and for the second point click on the end/quad of tube circle edge:
Using Split we will split this sphere into half, and delete the inner half:
Do the same for the bigger edge.
Using Line command, create three lines like this:
Using Explode command explode the handle surfaces, and with the vertical line split outer tube surface:
Offset line to the left by 0.2 units, and using that offset line split the inner tube:
Now Offset the two horizontal lines towards the center of the handle by 0.2 units:
Again, with Split and/or Trim trim the parts for the holes:
Using PlanarSrf command “cap” the tubes:
Using FilletEdge with 0.25 units as radii, fillet the edges where you previously created two planar surfaces:
Using BlendSrf command, blend the two surfaces and fill the gap. Then with Join connect the surfaces:
With Move command, move the part from its Quad point, to the tube Quad point.
With Rectangle command, create a rectangle 0.5 units wide, and position it like on the image below. For the height, use what ever as long as its upper part goes over the handle tube:
Now, with Array copy that rectangle along x axis by 1 unit:
Next thing would be the grips. So, use one of the existing circles, and offset it by 0.1 units outwards:
Isolate the outer shell of the handle, extrude with ExtrudeCrv command the offset circle:
Select everything, and using Project command, from Front viewport project the rectangles on two tubes:
Ok, now, where the projected rectangle is, the inner cylinder should be visible, and the outer cylinder should be trimmed:
And for the end, we need to create a surface to fill the gaps. We’ll do that with Loft command, and two curves that are on the edges of those holes:
Now, either Copy or Array that surface to fill the rest of the gaps.
And for the better effect, we need to fillet the edges
And this is what you get in the end:
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