Wayfinder map · live status

The build ladder

Six research decisions closed on day one. Everything below the fold is a child ticket of map #1; each rung gates the next one.

Hopcopter milestone timelineEleven milestones from research and repo setup through hovering, hopping, and full autonomous home behaviour, with three milestones in flight.BUILD LADDER · STATUS AS OF 2026-11-01From research to a pet that hops, flies and listensMap + researchDocs siteSim V1 + hoverHover bringupLeg + hopHome petRepo skeletonBOM + sourcingPrint V1RL rampDrops & terrain#1–#6 closed#21 · this page#11 · MJCF spike#10 tether → free#13–#14#17–#20#7 · Astro + uv#8 · AUW ≤ 1 kg#9 · Bambu P1S#12 · S0–S3#15–#16closedin flight nowplanneddestination

All tickets, in order

TicketMilestoneGate to passStatus
#2–#6Paper teardown · compute · sim · FC · NN curriculumEvery open question has a cited answerclosed
#7Repo skeleton & toolchainAstro builds, dirs + glossary liveclosed
#21Docs site design system & first diagramsCloudflare Pages deploy serves the siteclosed
#8BOM & sourcingAll-up weight ≤ 1.0 kg, parts in cartopen
#11Sim V1 model + hover policyIsaac-quadcopter spike hover; MJCF shared with MuJoCoopen
#9Print & assemble V1 hover quadFrame prints, harness, 0 crashes on benchplanned
#10Hover bringupBench → tethered → free hover, PX4 tunedplanned
#12RL ramp exercisesPPO holds hover + position in sim (S0–S3)planned
#13Passive-leg prototype & drop rigSurvives scripted drop heights on rigplanned
#14Hop-in-place sim → realSim policy transfers, repeatable hopsplanned
#15Big-drop landing & recoveryProps-assisted descent, self-rightingplanned
#16Terrain traversalHops/climbs household obstaclesplanned
#17Onboard perceptionD435i depth + detection on Orinplanned
#18Onboard voiceWake word + commands at restplanned
#19Behaviours + hybrid schedulercome / follow / explore; fly-vs-hop by energyplanned
#20Full autonomous home integrationDestination: pet lives at home, onboard-onlyplanned