Made by Chuck Grimmett using the following materials: Columns block, Group block, Spacer block.
<!-- wp:group {"align":"wide","style":{"color":{"gradient":"radial-gradient(rgb(255,255,255) 0%,rgb(152,150,240) 100%)"}}} -->
<div class="wp-block-group alignwide has-background" style="background:radial-gradient(rgb(255,255,255) 0%,rgb(152,150,240) 100%)"><!-- wp:columns -->
<div class="wp-block-columns"><!-- wp:column -->
<div class="wp-block-column"><!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->
<!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}},"layout":{"wideSize":"300px"}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group -->
<!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->
<!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}},"layout":{"wideSize":"300px"}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group -->
<!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->
<!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}},"layout":{"wideSize":"300px"}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group --></div>
<!-- /wp:column --></div>
<!-- /wp:columns -->
<!-- wp:columns -->
<div class="wp-block-columns"><!-- wp:column -->
<div class="wp-block-column"><!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}},"layout":{"wideSize":"300px"}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group -->
<!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->
<!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}},"layout":{"wideSize":"300px"}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group -->
<!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->
<!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group --></div>
<!-- /wp:column -->
<!-- wp:column -->
<div class="wp-block-column"><!-- wp:group {"style":{"border":{"width":"5px","radius":"100px","style":"solid"}},"layout":{"wideSize":"300px"}} -->
<div class="wp-block-group" style="border-radius:100px;border-style:solid;border-width:5px"><!-- wp:spacer {"height":"271px"} -->
<div style="height:271px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group -->
<!-- wp:spacer -->
<div style="height:100px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:column --></div>
<!-- /wp:columns --></div>
<!-- /wp:group -->