
Hatched bricks
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration03 (Large logo - ribs across)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
Numbered bricks
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration03 (Large logo - ribs across)MoldIdentificationLayoutNoneMoldPositionLayoutTopMoldPositionStyleHand-writtenPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
Hatched bricks - inverted
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration03 (Large logo - ribs across)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
Circles 2x12+2x14
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleDogboneInsideRibStyleAcrossMoldGeneration04 (Dogbone)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
Circles - 2x2
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleDogboneInsideRibStyleAcrossMoldGeneration04 (Dogbone)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
Circles 4x4 Slotted
SlottedTrue
BottomStyleNoneInsideLogoOrientationDiagonalInsideLogoStyleDogboneInsideRibStyleAcrossMoldGeneration04 (Dogbone)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
Circles 4x4 Slots removed
SlottedFalse
BottomStyleNoneInsideLogoOrientationDiagonalInsideLogoStyleDogboneInsideRibStyleAcrossMoldGeneration04 (Dogbone)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
Small Blockletter - No logo on studs - first iteration
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration05 (Tubeless - Logo inside)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleCentered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleLarge (3mm)
Small Blockletter - No logo on studs - second iteration
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration05 (Tubeless - Logo inside)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleCentered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleLarge (3mm)
Small blockletter - No logo
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration05 (Tubeless - Logo inside)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleCentered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleLarge (3mm)
2x10 Double pip
SlottedFalse
BottomStyleCross-supportInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutRight (Top To Bottom)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleDouble Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
2x4 Centered and mirrored numbers - corner-pip
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
2x4 Centered and mirrored numbers - centered pip
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration13 (Tubeless - No logo inside - other pips)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleCentered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
Unnumbered - sloped stud recesses
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
2x4 Sloped stud recesses
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutLeft (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
2x4 Normal stud recesses
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutLeft (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
2x3 Sloped stud recesses
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutLeft (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
2x2 Sloped stud recesses - handwritten numbers
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleHand-writtenPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
2x2 Sloped stud recesses - typed weak numbers
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
2x2 Sloped stud recesses - typed strong numbers
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
2x8 Single pip
SlottedFalse
BottomStyleCross-supportInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutLeft (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
2x8 Double pip
SlottedFalse
BottomStyleCross-supportInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutLeft (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleDouble Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
1x2 Sloped stud-recesses
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
1x2 Sloped+Normal stud-recess
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
1x2 Normal stud-recess
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
1x2 Sloped stud-recesses sideways numbers
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)Early prototype mold - no logo[mystery bricks]
SlottedTrue
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration05 (Tubeless - Logo inside)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleCentered Medium Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)Early prototype mold - no stud recesses[mystery bricks]
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration05 (Tubeless - Logo inside)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleCentered Medium Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleNone
Serif pos. numbers - shorter pip width
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration12 (Tubeless - No logo inside - wide center pip)MoldIdentificationLayoutNoneMoldPositionLayoutLeft (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleCentered Wide Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
Serif pos. numbers - wider pip width
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration12 (Tubeless - No logo inside - wide center pip)MoldIdentificationLayoutNoneMoldPositionLayoutLeft (Bottom To Top)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleCentered Wide Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge sloped (3mm)
2x4 Unnumbered - normal recess
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
Wide logo
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration05 (Tubeless - Logo inside)MoldIdentificationLayoutNoneMoldPositionLayoutNoneMoldPositionStyleNonePatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)
1x2 Small stud recesses
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Top To Bottom)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleSmall (2-2,2mm)1x2 - Mold #7 Pat. pend. ITL
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration23 (Old logo - smaller stud recess - corner-pip - no mold-id)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Top To Bottom)MoldPositionStyleTypedPatPendLayoutRightPatPendStyleNormalPipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Round 'O'StudRecessStyleSmall (2-2,2mm)
Numbered bricks - variant
SlottedTrue
BottomStyleNoneInsideLogoOrientationLeft To RightInsideLogoStyleBlocklettersInsideRibStyleAcrossMoldGeneration03 (Large logo - ribs across)MoldIdentificationLayoutNoneMoldPositionLayoutTopMoldPositionStyleHand-writtenPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleNoneStudRecessStyleNone
2x10 Single pip
SlottedFalse
BottomStyleCross-supportInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration11 (Tubeless - No logo inside - corner pip)MoldIdentificationLayoutNoneMoldPositionLayoutRight (Top To Bottom)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleLarge (3mm)1x2 - Mold #8 Stud logo across - related to 21ai
SlottedFalse
BottomStyleNoneInsideLogoOrientationNoneInsideLogoStyleNoneInsideRibStyleAcrossMoldGeneration23 (Old logo - smaller stud recess - corner-pip - no mold-id)MoldIdentificationLayoutNoneMoldPositionLayoutCenter (Top To Bottom)MoldPositionStyleTypedPatPendLayoutNonePatPendStyleNonePipStyleSingle Cornered Narrow Bottom EdgeStudLogoStyleWide Straight 'O'StudRecessStyleSmall (2-2,2mm)