Triquetra Extrude and Weave
- gkas
- Vectric Wizard
- Posts: 1451
- Joined: Sun Jan 01, 2017 3:39 am
- Model of CNC Machine: Aspire, Axiom AR8 Pro+, Axiom 4.2W Laser
- Location: Southern California
Triquetra Extrude and Weave
I'm making a salt cellar for a friend . They want a triquetra design and provided a pretty decent picture for a trace. I decided to try it with an extrude and weave. I drew the vectors and a very simple cross section. I can get fancy after I get the basic design. This first pass looks pretty decent, except that I can't get rid of the overlaps on the points of the tri. Do I have to manually blend?
https://drive.google.com/file/d/1V8XJG5 ... sp=sharing
https://drive.google.com/file/d/1V8XJG5 ... sp=sharing
-
- Vectric Craftsman
- Posts: 112
- Joined: Thu May 06, 2021 3:06 pm
- Model of CNC Machine: CAMaster Stinger 1 SR-24, Shark SD110
Re: Triquetra Extrude and Weave
Hi gkas,
I used the extrude and weave option with over and under option.
It worked for what I was looking to do. Maybe if your looking a negative relief, the subtract option in the combine mode.
Just an idea.
Good Luck,
Brooks
I used the extrude and weave option with over and under option.
It worked for what I was looking to do. Maybe if your looking a negative relief, the subtract option in the combine mode.
Just an idea.
Good Luck,
Brooks
- gkas
- Vectric Wizard
- Posts: 1451
- Joined: Sun Jan 01, 2017 3:39 am
- Model of CNC Machine: Aspire, Axiom AR8 Pro+, Axiom 4.2W Laser
- Location: Southern California
Re: Triquetra Extrude and Weave
Changing the profile to a rounded one does get rid of the problem. I was wondering what to do if I wanted the square profile.
-
- Vectric Craftsman
- Posts: 112
- Joined: Thu May 06, 2021 3:06 pm
- Model of CNC Machine: CAMaster Stinger 1 SR-24, Shark SD110
Re: Triquetra Extrude and Weave
gkas,
I misread the initial statement. My bad.
I went and rebuilt it with the 2 Rail Sweep. The overlap went away although so did the weave.
If this works for you, I created the internal oval, then offset that outwards. Then repeated for the other two components.
Brooks
I misread the initial statement. My bad.
I went and rebuilt it with the 2 Rail Sweep. The overlap went away although so did the weave.
If this works for you, I created the internal oval, then offset that outwards. Then repeated for the other two components.
Brooks
-
- Vectric Staff
- Posts: 539
- Joined: Wed Jul 19, 2017 11:59 am
- Model of CNC Machine: Craft CNC DS1
Re: Triquetra Extrude and Weave
If you convert the top line in your profile to a smooth bezier (using 'S') and move the node up to add a very slight bend, the edges start to merge but you maintain the square outer edges. The surface will be ever so slightly curved though.
--------------
Mohamed
++++++++
Mohamed
++++++++
- gkas
- Vectric Wizard
- Posts: 1451
- Joined: Sun Jan 01, 2017 3:39 am
- Model of CNC Machine: Aspire, Axiom AR8 Pro+, Axiom 4.2W Laser
- Location: Southern California
Re: Triquetra Extrude and Weave
I'm using the extrude and weave to get the over/under effect. Unchecking the over/under does fix it, but only because it is now flat, not woven.
- SteveNelson46
- Vectric Wizard
- Posts: 2304
- Joined: Wed Jan 04, 2012 2:43 pm
- Model of CNC Machine: Camaster Stinger 1
- Location: Tucson, Az.
Re: Triquetra Extrude and Weave
Sculpting is the only way I could make it look good and still use your original shape.
Steve
- SteveNelson46
- Vectric Wizard
- Posts: 2304
- Joined: Wed Jan 04, 2012 2:43 pm
- Model of CNC Machine: Camaster Stinger 1
- Location: Tucson, Az.
Re: Triquetra Extrude and Weave
I thought that maybe a small fillet on the corners might help but, interestingly, when I applied a .1" fillet to the top corner it worked fine but did not on the other two. In fact, it changed the whole shape. Something is amiss.
Steve
-
- Vectric Craftsman
- Posts: 112
- Joined: Thu May 06, 2021 3:06 pm
- Model of CNC Machine: CAMaster Stinger 1 SR-24, Shark SD110
Re: Triquetra Extrude and Weave
gkas,
I couldn't make flat but compromised with the middle cross section and some smoothing.
Brooks
I couldn't make flat but compromised with the middle cross section and some smoothing.
Brooks
-
- Vectric Craftsman
- Posts: 112
- Joined: Thu May 06, 2021 3:06 pm
- Model of CNC Machine: CAMaster Stinger 1 SR-24, Shark SD110
Re: Triquetra Extrude and Weave
gkas, one last thought.
Couldn't you create a pocketing toolpath in the overlapping corners to level them out?
Just an optional thought.
Good luck,
Brooks
Couldn't you create a pocketing toolpath in the overlapping corners to level them out?
Just an optional thought.
Good luck,
Brooks
-
- Vectric Wizard
- Posts: 520
- Joined: Tue Jul 21, 2009 8:22 pm
- Model of CNC Machine: ShopBot Buddy Standard
- Location: Marietta, GA.
Re: Triquetra Extrude and Weave
I found the design vector in the "Clipart" section and used that with the square section and it worked as it should. Looking at the clipart vector, it has more nodes than the original, maybe that has something to do with it...joe
- gkas
- Vectric Wizard
- Posts: 1451
- Joined: Sun Jan 01, 2017 3:39 am
- Model of CNC Machine: Aspire, Axiom AR8 Pro+, Axiom 4.2W Laser
- Location: Southern California
Re: Triquetra Extrude and Weave
With a rounded cross section, the problem goes away. I'll play with it more when I'm home and off my laptop.
tnx,
Gerry
tnx,
Gerry
- SteveNelson46
- Vectric Wizard
- Posts: 2304
- Joined: Wed Jan 04, 2012 2:43 pm
- Model of CNC Machine: Camaster Stinger 1
- Location: Tucson, Az.
Re: Triquetra Extrude and Weave
Joe seems to be on to something. I used your vectors and added a node back from the point, on each side about the width of the profile (about .5"). Then changed each of the vector sections from the new node to the point into a line. Works good using your profile.
Steve