Derek Lau
• Sydney
• Australia
• Blog Posts
• Discussions (3)
• Events
• Groups
• Photos
• Photo Albums
• Videos

## Derek Lau's Discussions

Hi All,I would like to know how others deal with fading fillets or blends.The best way I can describe these geometries is:- When two edges come together at a point with the same curvature.- Two…Continue

Tags: Topology, Surfacing

Started this discussion. Last reply by Pascal Golay Mar 14.

### Y-Fillets/2-into-1 Fillets HELP!4 Replies

Hello!Can someone…Continue

Started this discussion. Last reply by Jeff Hammond Feb 1.

# Derek Lau's Page

## Latest Activity

"File... -Pascal pascal@mcneel.com"
Mar 14
"Hi Derek - you can tune up the matching between the two washout surfaces with MatchSrf, Curvature (currently tangent) and Average set. The little triangle can be a planarSrf, maybe simpler that way. You can also tune up the Zebra display- click on…"
Mar 14
Derek Lau posted a discussion

Hi All,I would like to know how others deal with fading fillets or blends.The best way I can describe these geometries is:- When two edges come together at a point with the same curvature.- Two fillets/blends come together to become one.Please check out the attached image and file. The examples I have given I guess are the best case scenarios with simple surfaces.There are a couple of examples of how I attempted to patch these geometries, however I don't feel that they are that great. ( The…See More
Mar 14
"good lesson in this thread.. thanks! (just pointing out that even though it seems you're helping one person, there are some lurkers that are picking up tips as well ;) ) "
Feb 1
"Hi Derek- see the attached- I did some MatchSrf for Tangency only in the direction indicated by the arrows. 'Match by closest point', and 'Preserve isocurve direction'. Note, the matched surfaces that are trimmed need to be…"
Jan 31
"Hi Pascal, After a few days trying to solve the problem here is the results: pls see attached file. I still have a slight edge problem on the bottom of the y fillets and can't get them to be G2 on all edges.  I plan to render these…"
Jan 31
"He Derek- I'd go after this as in the attached file- the main problem that I see is the surface that I've made blue in the file and which replaces one that is hidden and red. The old, red, one is more complex than it needs to be and varies…"
Jan 26
Derek Lau posted a discussion

### Y-Fillets/2-into-1 Fillets HELP!

Hello!Can someone please enlighten me on how to construct a Y-Fillet.I can't seem to get good curvature between all the patches. When I do, the surfaces are wavy and have depressions and dimples. Kind Regards!…See More
Jan 26

## Profile Information

Company, School, or Organization
n/a
I am a
Commercial User
Which operating system do you prefer?
Windows
Discipline/Occupation
Furniture Design

## Comment Wall

Join Rhino Community