A few of these icons come directly from the following Dota 2 game files:
materials/vgui/hud/minimap_hero_sheet_psd_*.pngmaterials/vgui/hud/minimap_sheet_psd_*.png
The lane creep and building icons come from The Noun Project:
- Binoculars by throwaway icons
- Bow by Creaticca Creative Agency
- Catapult by Jakub Ukrop
- Crown by Kantor Tegalsari
- Flag by Oksana Latysheva
- Lotus by Andi Nur Abdillah
- Outpost by Chanut is Industries
- Portal by Adrien Coquet
- Sword by Geoffrey Couten
- Tower by yenny
All other non-pixelated icons are placeholder snapshots taken with Dota 2 Model Viewer.