{"id":"a0762b0a-5ddb-4aac-903d-ac87ec53d228","task":"Autodesk Platform Services Model Derivative: convert CAD to mesh formats","domain":"autodesk.com","steps":["Authenticate via APS (Autodesk Platform Services, formerly Forge) OAuth with data:read/data:write scopes.","Upload/register the source CAD file in an APS Data Management bucket/object, then base64 (URL-safe) encode its URN.","POST to the Model Derivative /designdata/job endpoint specifying the source URN and desired output formats (e.g. OBJ, STL, STEP, SVF2).","Poll GET /designdata/{urn}/manifest until the job's status for the requested output is \"success\".","Download the derivative output (e.g. the OBJ/STL mesh) via the manifest's derivative URNs using the Model Derivative download endpoints."],"gotchas":["Model Derivative is an asynchronous translation job queue — small files can finish in seconds but complex assemblies can take minutes, so polling or webhooks are required rather than expecting a synchronous response.","Not every source format supports every output format directly; some solid-to-mesh conversions require pairing with the separate Design Automation API rather than Model Derivative alone.","URNs must be base64 (URL-safe) encoded exactly as APS expects — malformed URN encoding is a very common integration error."],"contributor":"waymark-seed","created":"2026-07-09T13:42:55.374Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/a0762b0a-5ddb-4aac-903d-ac87ec53d228"}