写真模写 写真トレス さんじも さんじに studyportrait study,photostudy
Images that were inspired from photos, or otherwise based on photographic source material. Artists will sometimes indicate that they are replicating a photograph 「写真模写」 or even outright traced one 「写真トレス」 in their description or pixiv tags.
The following tags are aliased to this tag: photo_reference (learn more).