{"id":"https://openalex.org/W7168255896","doi":"https://doi.org/10.48550/arxiv.2607.11339","title":"HierCAD: Hierarchical Text-to-CAD Design via Structure Alignment and Parameter Grounding","display_name":"HierCAD: Hierarchical Text-to-CAD Design via Structure Alignment and Parameter Grounding","publication_year":2026,"publication_date":"2026-07-13","ids":{"openalex":"https://openalex.org/W7168255896","doi":"https://doi.org/10.48550/arxiv.2607.11339"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2607.11339","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.11339","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2607.11339","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5140657079","display_name":"Jimin Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Jimin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140588685","display_name":"Tianbao Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Tianbao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140625494","display_name":"Tao Jin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jin, Tao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5140649205","display_name":"Zhou Zhao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhao, Zhou","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11159","display_name":"Manufacturing Process and Optimization","score":0.42809998989105225,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11159","display_name":"Manufacturing Process and Optimization","score":0.42809998989105225,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.13670000433921814,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10672","display_name":"Design Education and Practice","score":0.12559999525547028,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cad","display_name":"CAD","score":0.7318000197410583},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.6133000254631042},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.5975000262260437},{"id":"https://openalex.org/keywords/ground","display_name":"Ground","score":0.5098000168800354},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.48590001463890076},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.484499990940094},{"id":"https://openalex.org/keywords/parametric-design","display_name":"Parametric design","score":0.3779999911785126},{"id":"https://openalex.org/keywords/computer-aided-design","display_name":"Computer Aided Design","score":0.357699990272522}],"concepts":[{"id":"https://openalex.org/C194789388","wikidata":"https://www.wikidata.org/wiki/Q17855283","display_name":"CAD","level":2,"score":0.7318000197410583},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6414999961853027},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.6133000254631042},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.5975000262260437},{"id":"https://openalex.org/C168993435","wikidata":"https://www.wikidata.org/wiki/Q6501125","display_name":"Ground","level":2,"score":0.5098000168800354},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.48590001463890076},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.484499990940094},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.46700000762939453},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4406999945640564},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.40720000863075256},{"id":"https://openalex.org/C2778370241","wikidata":"https://www.wikidata.org/wiki/Q18386598","display_name":"Parametric design","level":3,"score":0.3779999911785126},{"id":"https://openalex.org/C119823426","wikidata":"https://www.wikidata.org/wiki/Q184793","display_name":"Computer Aided Design","level":2,"score":0.357699990272522},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.3531999886035919},{"id":"https://openalex.org/C108882727","wikidata":"https://www.wikidata.org/wiki/Q2991685","display_name":"Solid modeling","level":2,"score":0.3531000018119812},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.34850001335144043},{"id":"https://openalex.org/C155911833","wikidata":"https://www.wikidata.org/wiki/Q3817354","display_name":"Spatial intelligence","level":2,"score":0.3386000096797943},{"id":"https://openalex.org/C195344581","wikidata":"https://www.wikidata.org/wiki/Q2555318","display_name":"Automated reasoning","level":2,"score":0.3285999894142151},{"id":"https://openalex.org/C24574437","wikidata":"https://www.wikidata.org/wiki/Q7135228","display_name":"Parametric model","level":3,"score":0.3010999858379364},{"id":"https://openalex.org/C64260653","wikidata":"https://www.wikidata.org/wiki/Q1194864","display_name":"Electronic design automation","level":2,"score":0.28299999237060547},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.2797999978065491},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.2754000127315521},{"id":"https://openalex.org/C181095308","wikidata":"https://www.wikidata.org/wiki/Q1541599","display_name":"Geometric primitive","level":2,"score":0.27320000529289246},{"id":"https://openalex.org/C89288958","wikidata":"https://www.wikidata.org/wiki/Q7301504","display_name":"Reasoning system","level":2,"score":0.2669999897480011},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.25769999623298645},{"id":"https://openalex.org/C34929307","wikidata":"https://www.wikidata.org/wiki/Q845636","display_name":"Technology CAD","level":3,"score":0.25450000166893005}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2607.11339","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.11339","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2607.11339","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.11339","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Recent":[0],"text-to-CAD":[1,37],"approaches":[2],"have":[3],"shown":[4],"promising":[5],"results":[6],"by":[7,54],"leveraging":[8],"large":[9],"language":[10],"models,":[11],"but":[12],"they":[13],"often":[14],"struggle":[15],"with":[16,91],"maintaining":[17],"structural":[18,42],"consistency":[19],"in":[20],"complex":[21],"designs":[22],"and":[23,44,63,79,107,123],"accurately":[24],"grounding":[25,99],"geometric":[26],"parameters.":[27],"To":[28,68],"address":[29],"these":[30],"issues,":[31],"we":[32,73],"propose":[33],"HierCAD,":[34],"a":[35,75],"hierarchical":[36],"framework":[38],"that":[39,112],"improves":[40],"both":[41,119],"reasoning":[43,53,62,66,89],"parameter":[45,98,105],"prediction.":[46],"HierCAD":[47,113],"reformulates":[48],"CAD":[49,56,95,120,125],"generation":[50,71,122],"as":[51],"progressive":[52],"decomposing":[55],"construction":[57],"trees":[58],"into":[59],"object-level":[60],"procedural":[61],"part-level":[64],"topology":[65,88],"trajectories.":[67],"further":[69],"improve":[70],"fidelity,":[72],"introduce":[74],"unified":[76],"Structure":[77,85],"Alignment":[78],"Parameter":[80],"Grounding":[81],"(SAPG)":[82],"learning":[83,102],"strategy.":[84],"alignment":[86],"aligns":[87],"trajectories":[90],"their":[92],"corresponding":[93],"parametric":[94],"spans,":[96],"while":[97],"mitigates":[100],"shortcut":[101],"through":[103],"structure-preserving":[104],"perturbations":[106],"ranking-based":[108],"supervision.":[109],"Experiments":[110],"demonstrate":[111],"outperforms":[114],"prior":[115],"state-of-the-art":[116],"methods":[117],"on":[118],"sequence":[121],"reconstructed":[124],"model":[126],"evaluation.":[127],"Our":[128],"code":[129],"is":[130],"available":[131],"at":[132],"https://github.com/Collab-Gen/HierCAD.":[133]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-07-15T00:00:00"}
