2025/25 SEASON

DOWNLOADS

*PROFESSIONAL CLASS*

STEM Racing Halo

halo_v2.stl
File Size:	324 kb
File Type:	stl

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halo_v2.stp
File Size:	456 kb
File Type:	stp

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halo_v2.smt
File Size:	836 kb
File Type:	smt

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halo_v2.ipt
File Size:	910 kb
File Type:	ipt

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halo_v2.igs
File Size:	693 kb
File Type:	igs

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halo_v2.f3d
File Size:	287 kb
File Type:	f3d

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To download *STP, IGS and SMT files, please right click and choose "save link as".

ZIP PACK WITH ALL HALO FILES

halo_v2.zip
File Size:	1798 kb
File Type:	zip

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STEM Racing Helmet

bell_helmet_with_dowel.stl
File Size:	678 kb
File Type:	stl

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bell_helmet_with_dowel.stp
File Size:	3896 kb
File Type:	stp

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bell_helmet_with_dowel.smt
File Size:	10179 kb
File Type:	smt

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bell_helmet_with_dowel.ipt
File Size:	8735 kb
File Type:	ipt

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bell_helmet_with_dowel.igs
File Size:	4303 kb
File Type:	igs

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bell_helmet_with_dowel.catpart
File Size:	1604 kb
File Type:	catpart

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

*DEVELOPMENT CLASS*

STEM Racing Halo

halo_for_development_class.f3d
File Size:	259 kb
File Type:	f3d

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halo_for_development_class.ipt
File Size:	795 kb
File Type:	ipt

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halo_for_development_class.stl
File Size:	252 kb
File Type:	stl

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halo_for_development_class.stp
File Size:	424 kb
File Type:	stp

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

STEM Racing No-Go-Zone

no_go_haloplatform_0mm_offset.f3d
File Size:	40 kb
File Type:	f3d

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no_go_haloplatform_0mm_offset.ipt
File Size:	173 kb
File Type:	ipt

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no_go_haloplatform_0mm_offset.stp
File Size:	55 kb
File Type:	stp

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no_go_haloplatform_20mm_offset.f3d
File Size:	38 kb
File Type:	f3d

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no_go_haloplatform_20mm_offset.ipt
File Size:	166 kb
File Type:	ipt

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no_go_haloplatform_20mm_offset.stp
File Size:	58 kb
File Type:	stp

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no_go_haloplatform_10mm_offset.f3d
File Size:	38 kb
File Type:	f3d

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no_go_haloplatform_10mm_offset.ipt
File Size:	166 kb
File Type:	ipt

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no_go_haloplatform_10mm_offset.stp
File Size:	58 kb
File Type:	stp

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no_go_haloplatform_30mm_offset.f3d
File Size:	38 kb
File Type:	f3d

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no_go_haloplatform_30mm_offset.ipt
File Size:	166 kb
File Type:	ipt

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no_go__haloplatform_30mm_offset.stp
File Size:	61 kb
File Type:	stp

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

STEM Racing Helmet

helmet_shape_development_class.f3d
File Size:	2473 kb
File Type:	f3d

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helmet_shape_development_class.ipt
File Size:	8743 kb
File Type:	ipt

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helmet_shape_development_class.stl
File Size:	681 kb
File Type:	stl

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helmet_shape_development_class.stp
File Size:	3898 kb
File Type:	stp

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

STEM Racing Spigot Hole Jig

development_Class_halo_spigot_drilling_jig_v2.stl
File Size:	654 kb
File Type:	stl

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

*ENTRY CLASS*

STEM Racing Halo

halo_for_entry_class.f3d
File Size:	259 kb
File Type:	f3d

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halo_for_entry_class.ipt
File Size:	795 kb
File Type:	ipt

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halo_for_entry_class.stl
File Size:	252 kb
File Type:	stl

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halo_for_entry_class.stp
File Size:	424 kb
File Type:	stp

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

STEM Racing No-Go-Zone

no_go_zone_entry_class.f3d
File Size:	50 kb
File Type:	f3d

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no_go_zone_entry_class.ipt
File Size:	271 kb
File Type:	ipt

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no_go_zone_entry_class.stp
File Size:	56 kb
File Type:	stp

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

STEM Racing Helmet

helmet_shape_for_entry_class.f3d
File Size:	2473 kb
File Type:	f3d

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helmet_shape_for_entry_class.ipt
File Size:	8743 kb
File Type:	ipt

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helmet_shape_for_entry_class.stl
File Size:	681 kb
File Type:	stl

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helmet_shape_for_entry_class.stp
File Size:	3898 kb
File Type:	stp

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

STEM Racing Spigot Hole Jig

entry_class_halo_spigot_drilling_jig.stl
File Size:	188 kb
File Type:	stl

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To download *STP, IGS and SMT files, please right click and choose "save link as".​

STEM Racing Decal Artwork
*​COMING SOON*

Decal_A_White.jpg
File Size:	71 kb
File Type:	jpg

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Decal_B_White.jpg
File Size:	75 kb
File Type:	jpg

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Decal_Blank_Black
File Size:	76 kb
File Type:	jpg

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Decal_A_Black
File Size:	80 kb
File Type:	jpg

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Decal_B_Black
File Size:	78 kb
File Type:	jpg

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Decal_Blank_White
File Size:	82 kb
File Type:	jpg

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Power Unit

STEM Racing Model Block 

f1co2std___f1co2cmp.stl
File Size:	964 kb
File Type:	stl

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f1co2std___f1co2cmp.stp
File Size:	32 kb
File Type:	stp

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f1_model_block_18mm.f3d
File Size:	29 kb
File Type:	f3d

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f1_model_block_18mm.stl
File Size:	11 kb
File Type:	stl

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f1_model_block_18mm.ipt
File Size:	69 kb
File Type:	ipt

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Axle Bush 

Axle

f1_axle_bush.f3d
File Size:	76 kb
File Type:	f3d

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f1_axle_bush.ipt
File Size:	127 kb
File Type:	ipt

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f1_axle_bush.stl
File Size:	68 kb
File Type:	stl

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f1_axle_bush.igs
File Size:	29 kb
File Type:	igs

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f1_axle.f3d
File Size:	77 kb
File Type:	f3d

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f1_axle.ipt
File Size:	93 kb
File Type:	ipt

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f1_axle.stl
File Size:	32 kb
File Type:	stl

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f1_axle.igs
File Size:	15 kb
File Type:	igs

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Wheel

f1_wheel.f3d
File Size:	77 kb
File Type:	f3d

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f1_wheel.ipt
File Size:	159 kb
File Type:	ipt

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f1_wheel.stl
File Size:	311 kb
File Type:	stl

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f1_wheel.igs
File Size:	61 kb
File Type:	igs

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SCRUTINEERING GAUGES*

PROFESSIONAL CLASS
​(2025-2026)

DXF Format

professional_class_-_gauges_2023_600x300_page1.dxf
File Size:	19095 kb
File Type:	dxf

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professional_class_-_gauges_2023_600x300_page_2.dxf
File Size:	10892 kb
File Type:	dxf

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professional_class_-_gauges_2023_600x300_page_3.dxf
File Size:	4282 kb
File Type:	dxf

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Adobe Illustrator Format

professional_class_-_gauges_2023_600x300_page1.ai
File Size:	1263 kb
File Type:	ai

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professional_class_-_gauges_2023_600x300_page_2.ai
File Size:	732 kb
File Type:	ai

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professional_class_-_gauges_2023_600x300_page_3.ai
File Size:	364 kb
File Type:	ai

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DEVELOPMENT CLASS
​(2025 -2026)

DXF Format

Adobe Illustrator Format

development_gauges_2024.dxf
File Size:	6576 kb
File Type:	dxf

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development_gauges_2024.ai
File Size:	1102 kb
File Type:	ai

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ENTRY CLASS
​(2025 -2026)

DXF Format

Adobe Illustrator Format

entry_class_scrutineering_gauges_2024.dxf
File Size:	4839 kb
File Type:	dxf

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entry_class_scrutineering_gauges_2024.ai
File Size:	359 kb
File Type:	ai

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*Please note:
​
​Scrutineering gauges are intended for visual inspection only.
​All final measurements should be taken using calibrated measuring equipment according to the latest version of the UK Technical Regulations booklet.