None! Sorry to be the negative punt. The current one (on dlang.org) is better. Maybe a play on a flattened version of that would suffice. 

On Wed, Nov 4, 2015 at 8:21 PM, yawniek via Digitalmars-d-announce <digitalmars-d-announce@puremagic.com> wrote:
On Wednesday, 4 November 2015 at 09:30:30 UTC, Andrei Alexandrescu wrote:
Reply to this with 1.1, 1.2, 2, or 3:

1) by ponce:

Variant 1: https://github.com/p0nce/dconf.org/blob/master/2016/images/logo-sample.png
Variant 2: https://raw.githubusercontent.com/p0nce/dconf.org/4f0f2b5be8ec2b06e3feb01d6472ec13a7be4e7c/2016/images/logo2-sample.png

2) by Jonas Drewsen:

https://dl.dropboxusercontent.com/u/188292/g4421.png

3) by anonymous:

PNG: http://imgur.com/GX0HUFI
SVG: https://gist.github.com/anonymous/4ef7282dfec9ab327084


Thanks,

Andrei

3