Next, from Front Viewport, create three lines like on the image below:
And then, trim them and join them. And then extrude that polyline:
Trim with the bottom part of our bottle, and join.
Fillet the edges with 5mm radius:
Now, lets get back to our cap. Copy the smaller circle, and move it along that perpendicular line:
From the end of perpendicular line, make another line 28mm in overall length. It is easier if we do it with Line: from Midpoint. Then move your mouse until you find a OnPerp snap (make sure your SmartTrack and Perp options in Osnap are on). And then input 14mm. Check the math! 😉
Again, like on the beginning of the tutorial, create a circle, best from Perspective view, starting from the mid of the 28mm long line, and radius of 14mm (the half of the line).
Make a curve (InterpCrv) between this circle, and the lower one (Quad osnap option makes it much easier – Mid and End works too):
Turn the control points on and move them a little :
In the picture above you see a perspective view, but I moved the two inside control points from Front viewport. I hope it is clear why? It is because I wanted to move the points only by one dimension, and that is by x axis, if I were to do that in Perspective viewport I would move the points in all three dimensions, and that would get really wrong. But to confuse you a little more, if we turn on the Ortho, that might not be the case 😀
Now, using Sweep 2 rails set the two circles as rails, and the curve as section.
Now, we will loft three circles with Straight Sections option set under Styles drop down menu:
And for the end, we will fillet the edges. First, fillet the bigger edge with 5mm radius:
And the smaller one with 1mm radius:
Now, cap the cap :D. Using Surface From Planar Curves command (PlanarSrf) cap the cap:
Join and fillet edge with 2mm radius:
Again, this is a demonstration of how easy modeling in Rhino is. All we do is use 20 or so commands to make everything. All you gotta do is get use to the UI and all the little life-saving tools, and start modeling. Practice makes perfect! Remember that.