Re: investment casting with SLA

From: Professor P M Dickens (
Date: Thu Aug 20 1998 - 12:17:45 EEST

My colleague (Dr. Richard Hague) and myself developed the QuickCast
stucture that is now QuickCast 2.0. At this years North American 3D
Systems Stereolithography User Group I made a presentation on why the
old QuickCast structure sometimes cracked the shells. This was followed
by an explanation of how the new QuickCast structure works and data was
presented to show that it is almost impossible to crack the shells with
the new structure.
I would be happy to let people have a copy of a paper which describes
Please let me know if you want a copy.

Prof. Phill Dickens
De Montfort University
England wrote:
> Dear members,
> In my last correspondance to all the members, I indicated that I was
> interested in learning more about SLA versus other rapid prototyping methods
> and that in addition, I requested feedback(positive and/or negative) about SLA
> resins.
> At this time I am happy to report that I have decided to purchase an SLA 250
> machine. Also, I plan to become involved with Quickcast and am asking the
> members for their feedback re Quickcast.
> Thank you for your help.
> For more information about the rp-ml, see

For more information about the rp-ml, see

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