PugJesus@piefed.socialM to HistoryArtifacts@piefed.socialEnglish · 3 days agoRoman 'hologram' ring with an illusion of 3d depth, gold and quartz, Roman Empire, 1st century ADmedia.piefed.socialimagemessage-square16fedilinkarrow-up196arrow-down11
arrow-up195arrow-down1imageRoman 'hologram' ring with an illusion of 3d depth, gold and quartz, Roman Empire, 1st century ADmedia.piefed.socialPugJesus@piefed.socialM to HistoryArtifacts@piefed.socialEnglish · 3 days agomessage-square16fedilink
minus-squarePugJesus@piefed.socialOPMlinkfedilinkEnglisharrow-up17·3 days agoSource says: Unlike a traditional cameo which is carved in bas-relief, the figure here is carved on the back of the stone into its volume to create the life-like 3D illusion.
minus-squarePugJesus@piefed.socialOPMlinkfedilinkEnglisharrow-up1·3 days agoFrom behind and inverted, I think.
How is the illusion created?
Source says:
Bas-relief from behind?
Is that a sex thing
From behind and inverted, I think.