How would you draw it? Recurve bow riser

[Anonymous]

I've been struggling to draw this for a while. What  strategy would you use to model this recurve bow riser?

[TrippyLighting]

This calls for T-Splines and feels similar to modeling with subdivision surfaces. I have no idea yet how to do this in F360 but know how to do it in Blender.

Watch some tutorials. If you come from a more traditional engineering CAD package or from a machine shop environment this may take some re-thinking.

I started with Blender over 10 years ago and it took me ages to understand what an ede loop does.

Just to show you want can be done with T-Splines This and This  was modeled in Blender and rendered in Indido Render and is similar to your bow handles in its more free-form nature. Again, Blender is a polygon modeler with subdivision surfaces and does not use T-Splies, bt the actual modeling process feels very similar.

BTW, absolutely stunningly beautiful bow!!!

[Anonymous]

You nailed it! I'm a nuts & bolts machine drawing type of guy. I designed my CNC router top to bottom in about 2 hours before doing all my tolerancing... but I can't seem to wrangle a T-spline for the life of me! I'm going to have to do more wrangling, I guess.

It seems like a T-spline plus some key extruded cuts is going to make it.

It is a GORGEOUS bow and I hope to make many in my own style! 🙂

Enjoy your holidays, and great work on the LED fixtures you make. Truly incredible, and an awesome niche business!

[Mike.Zhang]

Yes, TrippyLighting is right, you could use T-Spline & some modeling features, such as Extrude/Pipe/Loft/Sweep to create this GORGEOUS bow.

Go ahead and try it. If you meet some troubles, please let us know it.

Merry Christmas!

[Anonymous]

I seem to have gotten somewhere! Will try somemore tomorrow. Tsplines are annoying when they are new, but are pretty cool when you start to feel like you're getting the hang of it!

[Mike.Zhang]

Wow, cool, seems you're on the way.

Cheers and Kudos!

[Anonymous]

So tsplines are pretty cool but I'm having a heck of a time combining geometric operations (draw&extrude, sweep etc) with tsplines to get a good result.

Anyone out there willing to take a stab at the step by step strategy? I'm having a really tough time with the strategy for this part.

[adelemm]

Hi Luke,

By taking look at your "goal" I can say TSpline will meet your need.

Not as difficult as it might look like, you can start to create a three-view snapshot of this bow riser, making a long box and try to approach with those snapshots. there are some tools like inner Symmetry and Edit Form(this case I would recommend SoftModifiation option in EditForm).
There are also many other ways to approach this shape and feel free to try, it's like design challenge but go and try, pretty soon you can start to master it(I assure you:) )

[adelemm]

[Mike.Zhang]

You need to Finish Form to change the Tspline body to Brep body first, then create the other features based on the Brep body which translated from the Tspline body.

About how to use the other model features, I just recommand you go through the  Step-By-Step Tutorials first.