The following images show all available templates, which are listed in the Developer Portal in the block editor of the 'Edit Mode'.
Basics - Button
BlogSections - ThreeColumnWithlmages
ContactSections - SplitWithPattern
CTASections - SimpleCentered
CTASections - SimpleCenteredOnBrand
CTASections - SimpleStacked
CTASections - SplitWithlmage
FeatureSections - Offset2x2grid
FeatureSections - Centered2x2grid
FeatureSections - OffsetWithFeatureList
FeatureSections - Simple
FeatureSections - SimpleThreeColumnWithSmallicons
FeatureSections - WithProductScreenshot
FeatureSections - WithProductScreenshotPanel
FeatureSections - WithProductScreenshotOnLleft
HeaderSections - CenteredWithEyebrow
HeaderSections - SimpleWithEyebrow
HeroSections - SplitWithScreenshot
HeroSections - WithOffsetlmage
Newsletter - SimpleSideBySide
Newsletter - SideBySideWithDetails
Newsletter - SimpleStacked
Templates