TL;DRThe Kindle Scribe line now supports smart shapes, turning rough sketches into clean diagrams.The feature is part of the most recent firmware update, but wasn’t detailed in Amazon’s release notes.Smart shapes are rolling out gradually, with only some users seeing them so far.Kindle Scribe users are finally getting smart shapes, a long-awaited feature that turns rough sketches into clean diagrams. The tool automatically refines hand-drawn shapes into cleaner, more precise versions.Smart shapes arrived as part of the most recent software update, but you wouldn’t know it from the release notes. The relatively vague notes focus mostly on PDF improvements instead. As usual, the change has been spotted by users as it rolls out rather than being clearly outlined by Amazon.