Add-on dossier

Layered-lens optical challenge

A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.

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DEF CON 33 Badge historical

physical challenge

Mar Williams described the DC33 badge as interacting with 3D images and layered art around the con through different lenses and lens combinations.

Badge
DEF CON 33 Badge
Type
physical challenge
Status
historical
Compatibility
DEF CON 33 Badge
Source
https://marwilliams.art/blogs/news/def-con-33

Badge context

Related Resources

creator announcement

Mar Williams DEF CON 33 announcement

Creator source documenting DEFCON 33 badges as non-electronic, layered with 3D image and lens interactions, clue spotting, Arts & Entertainment booth participation, and black-badge collaborators.

Badge: DEF CON 33 Badge

Source trail

Evidence Sources

DEF CON · retrieved 2026-05-15

Badge Shipment Delay

Official source for the August 7, 2025 shipment-delay notice stating that cash-line attendees were getting paper badges while DEF CON awaited the delayed physical badge shipment.

Badge: DEF CON 33 Badge

DEF CON · retrieved 2026-05-15

Making the DEF CON 33 Badge

Official creator-talk source for Mar's badge-making talk, Saturday 10:00 timing, 45-minute duration, and framing around badge creation, art, hacking, and constraints.

Badge: DEF CON 33 Badge

Mar Williams Art · retrieved 2026-05-15

DEF CON 33

Creator source for non-electronic badge status, 3D/layered art and lens interactions, clue and Arts & Entertainment booth challenge context, and collaborator credits.

Badge: DEF CON 33 Badge