Free yourself from the insanity of Zebra analysis with Autodesk Shape


So you’re working on your surface model, and you are trying to get everything to match up nicely, usually to either G1 (tangent) continuity, or G2 (curvature) continuity.  You think things look pretty good, you join them all together, you run ShowEdges to see if your model has any naked edges……and then you use Zebra … Continue reading

Why we build our surface models from scratch


Well, it’s time to dust off this blog and get it going again!  It’s been way too long.  Let’s just say life happens sometimes, but I’m glad to be back at this again.  So, to kick off the first post, I’m going to talk about something that we spend a lot of time talking to … Continue reading

It’s Raining Software!


Well after a long blog hiatus, I’m back and happy to report there are some exciting things happening in the land of CAD.  In the past few weeks there has been some very exciting news on the software front. First, out of left field, Autodesk suddenly announced it was going to resume development of T-Splines … Continue reading

48″ Convair 240 – Wing Lofting


  Pecking away at the Convair 240 radio control model.  This is being done for a contest on the Ezone forums, and so I really need to get moving on this thing to get it in the air by June 30th contest end date.  The wings are getting there – mostly lofted, just have to … Continue reading

T-Splines Tip – Panel Line Breaks


I figured I would do a quick little step by step on making panel line breaks with T-Splines.  The first thing is to make sure that you have an isocurve, or isocurve loop that follows the panel line break that you want.  This sometimes can be tricky – in the case of this windshield, I … Continue reading

Virtual Plastic – Porsche 962C – Main Body Complete


Franky, even I’m surprised with how well this is going.  The basic  body is done, and now it’s time to sub-divide the whole thing and start adding details.  I was able to use tsBevel to create panel line breaks for the side windows, and a slight joggle for the windshield.  This really shows me that … Continue reading

Virtual Plastic – Porsche 962C – Start of Surface Modeling


Continuing my little Tamiya Porsche 962C “virtual plastic” build, I spent a little time at the end of Friday working on the surface modeling.  I started (Basil this is for you!) by projecting a line onto the front fender.   Project is one of those handful of Rhino commands that works on stl meshes.  There’s not … Continue reading

Giles G-200 Progress – Intersection Fairings


Moving along nicely now with the Giles G-200.  I realized that before I put any more time into the cowling, I needed to have all the rest of the intersection fairings finished up.  Really, the most complicated part, topologically speaking, is the intersection fairings.  Since the topology of the fairings must flow into the cowl, … Continue reading

Fun with EXAscan: Porsche 962 Model Scan

Porsche 962

Lately, for no particular reason, I’ve been really digging the Porsche 956/962 Le Mans racers of the 80’s and 90’s.  Fancy that.  Me.  Into cars.  Who knew?  So, I got a Tamiya kit of the 1990 Repsol Brun 962C.  Instead of building the plastic model, I thought it would be way more fun to build … Continue reading

Giles G-200 – Gear Leg Fairing Tooling Design


Making the overall shape for the gear leg fairings, as I described here, is really about 1/3 of the way to making the molds.  Granted, from my perspective, it’s the most fun part of the design process, but there is a lot of work that goes into taking that macro shape and turning it into … Continue reading


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